100+ Graphics Interview Questions and Answers

Oracle database structure refers to the organization of data in tables, indexes, views, and other database objects.

• Consists of tables, which store data in rows and columns

• Includes indexes for faster data retrieval

• Views provide virtual representations of data from one or more tables

• Constraints ensure data integrity and enforce rules

• Stored procedures and functions for processing data

Shuffling happens in repartition, not coalesce.

• Repartition involves reshuffling data across partitions to create a new set of partitions with the desired number.

• Coalesce reduces the number of partitions without shuffling data, if possible.

• Example: repartition(4) will shuffle data to create 4 partitions, while coalesce(2) will try to merge partitions without shuffling.

CTC is a reflection of the value and skills the candidate brings to the organization.

• CTC is determined based on the candidate's experience, skills, and value they bring to the organization.

• Competitive CTC helps attract top talent and retain skilled employees.

• CTC reflects the market value of the candidate's role and responsibilities.

• Investing in employees through competitive CTC can lead to higher productivity and job satisfaction.

To find the max number in a dict.

• Use the max() function with the values of the dictionary.

• Alternatively, use a loop to compare values and find the maximum.

• Consider edge cases such as empty dictionary or non-numeric values.

A choice router is a device or software that directs incoming data packets to the appropriate destination based on predefined rules or user preferences.

• A choice router is used in computer networks to manage and control the flow of data.

• It examines the header information of incoming packets to determine the best path for forwarding the data.

• Choice routers can be hardware devices or software programs.

• They can be configured to prioritize certain types of traffic or apply specifi...read more

XPath for Google search button

• Use the 'class' attribute to locate the search button element

• XPath: //input[@class='gNO89b']

Different types of waits in Selenium include implicit, explicit, and fluent waits.

• Implicit wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit wait: Waits for a certain condition to occur before proceeding further.

• Fluent wait: Waits for a condition to be true with a defined polling frequency.

• Examples: WebDriverWait, FluentWait

Single Page Application (SPA) is a web application that loads a single HTML page and dynamically updates the content.

• SPA provides a seamless user experience by avoiding page reloads

• It uses AJAX and JavaScript frameworks like Angular, React, Vue.js

• SPA can be faster than traditional web applications

• Examples include Gmail, Facebook, Twitter

Sqoop incremental load is a technique to import only new or updated data from a source database to a target database.

• Sqoop incremental load is used to import only the new or updated data from a source database to a target database.

• It uses a 'last modified' column to identify the new or updated data.

• The first time, a full import is done and subsequent imports are incremental.

• Sqoop supports two types of incremental loads: append and lastmodified.

• Append mode adds new data to the...read more

Array is a fixed-size data structure while ArrayList is a dynamic-size data structure in Java.

• Array is a fixed-size collection of elements of the same data type, while ArrayList is a dynamic-size collection that can grow or shrink as needed.

• Arrays can store primitive data types and objects, while ArrayList can only store objects.

• Arrays require a specified size at the time of creation, while ArrayList can dynamically resize itself.

• Arrays use square brackets [] for declaration,...read more

val is immutable while const val is compile-time constant

• val is used for variables whose values can't be changed once assigned

• const val is used for compile-time constants whose values are known at compile time

• Example: val name = "John"; const val PI = 3.14;

Code to find a string in a sentence

• Split the sentence into an array of words

• Iterate through the array and check if each word matches the target string

• Return the index of the word if found, or -1 if not found

Dependency injection is a design pattern in which a class receives its dependencies from external sources rather than creating them itself.

• Allows for easier testing by injecting mock dependencies

• Promotes loose coupling between classes

• Improves code reusability and maintainability

• Commonly used in frameworks like Spring in Java

Runtime polymorphism is the ability of a function to behave differently based on the object it is called with.

• Runtime polymorphism is achieved through method overriding in object-oriented programming.

• It allows a subclass to provide a specific implementation of a method that is already provided by its superclass.

• The actual method that gets called is determined at runtime based on the type of object.

• Example: Animal class has a method 'makeSound', Dog and Cat classes override th...read more

Rollback in SQL is a command that allows you to undo transactions that have not been committed.

• Rollback is used to revert changes made by a transaction

• It is typically used in conjunction with the 'BEGIN TRANSACTION' and 'COMMIT' commands

• Rollback can be used to undo changes in case of errors or to cancel a transaction

Performance improvement in Angular app

• Use lazy loading to load modules on demand

• Optimize change detection strategy

• Use trackBy function in ngFor loops

• Minimize DOM manipulation

• Use AOT compilation

• Implement server-side rendering

• Use web workers for heavy computations

• Use caching for frequently accessed data

Java 8 introduced several new features including lambda expressions, streams, and default methods.

• Lambda expressions allow for functional programming and simplify code.

• Streams provide a way to process collections of data in a functional style.

• Default methods allow for adding new methods to interfaces without breaking existing implementations.

• Other features include the Optional class, Date and Time API, and Nashorn JavaScript engine.

I have used OOPs concepts extensively in my projects.

• Encapsulation: Used to hide implementation details and expose only necessary information.

• Inheritance: Used to create a hierarchy of classes with shared properties and methods.

• Polymorphism: Used to allow objects of different classes to be treated as if they are of the same class.

• Abstraction: Used to simplify complex systems by breaking them down into smaller, more manageable parts.

• Examples: Used inheritance to create a base ...read more

Coalesce is used to combine multiple small partitions into a larger one, while repartition is used to redistribute data across a specified number of partitions.

• Coalesce reduces the number of partitions in a DataFrame, while repartition increases or decreases the number of partitions.

• Coalesce is a narrow transformation that can only decrease the number of partitions, while repartition is a wide transformation that can increase or decrease the number of partitions.

• Example: coal...read more

Internal structure of collections refers to the organization and arrangement of data within a collection.

• Collections can be organized using various data structures such as arrays, linked lists, trees, and hash tables.

• The choice of data structure depends on the type of data being stored and the operations that need to be performed on the collection.

• For example, an array is a good choice for collections with fixed size and random access, while a linked list is better for collec...read more

A variable is a storage location in a program that holds a value. There are different types of variables.

• Variables can be of primitive types such as int, float, boolean, etc.

• Variables can also be of non-primitive types such as arrays, classes, interfaces, etc.

• Variables can be declared with different access modifiers such as public, private, protected, etc.

• Variables can be initialized with a value or left uninitialized.

• Variables can be used to store data that can be manipulate...read more

The testing process in the project involved thorough unit testing, integration testing, and system testing.

• Unit testing was conducted by individual developers to test small units of code.

• Integration testing was performed to test the interaction between different modules.

• System testing was carried out to validate the entire system's functionality.

• Regression testing was also done to ensure that new changes did not affect existing functionalities.

Selenium code to get window handles

• Use getWindowHandles() method to get all window handles

• Store the window handles in a Set

• Switch to each window using the handle

Truncate is a DDL command that removes all records from a table, while delete is a DML command that removes specific records.

• Truncate is faster than delete as it does not log individual row deletions.

• Truncate resets identity columns, while delete does not.

• Truncate cannot be rolled back, while delete can be rolled back using a transaction.

• Truncate does not fire triggers, while delete does.

• Truncate does not require a where clause, while delete does.

Software testing lifecycle is a process that includes planning, designing, executing, and evaluating tests to ensure software quality.

• 1. Planning phase involves defining test objectives, scope, and resources.

• 2. Design phase includes creating test cases and test data.

• 3. Execution phase involves running tests and reporting defects.

• 4. Evaluation phase includes analyzing test results and making decisions based on them.

Memory management is crucial for efficient application performance.

• Memory allocation and deallocation should be done carefully to avoid memory leaks.

• Unused memory should be released to prevent memory fragmentation.

• Memory profiling tools can help identify memory-related issues.

• Caching can improve performance by reducing the need for frequent memory allocation.

• Examples: Java's garbage collector, C++'s smart pointers, iOS's ARC.

To handle multiple windows, use window handles to switch between them.

• Use getWindowHandles() method to get all window handles

• Use switchTo().window(handle) method to switch to a specific window

• Close windows using close() method or quit() method for entire browser

Ansible scripts automate IT tasks. Here are some pointers:

• Use YAML syntax to write playbooks

• Define hosts and tasks in playbooks

• Use modules to execute tasks on hosts

• Use variables to make playbooks reusable

• Use roles to organize playbooks

• Use Ansible Galaxy to share and reuse roles

• Use Ansible Tower for enterprise-level automation

An actuator in spring is a device that converts energy into motion.

• Actuators are used to control the movement of various mechanical systems.

• In springs, actuators are used to control the compression and extension of the spring.

• Examples of actuators in springs include solenoids, motors, and hydraulic cylinders.

Materialized views are precomputed views stored on disk for faster query performance.

• Materialized views store the results of a query on disk so that the query can be run faster in the future.

• They are updated periodically to reflect changes in the underlying data.

• Materialized views are commonly used in data warehousing and reporting applications.

• Examples of materialized views include summary tables, aggregated data, and complex joins.

Collection is the process of gathering and organizing information or objects.

• Collections can be physical or digital

• Examples of physical collections include stamps, coins, and artwork

• Examples of digital collections include music playlists and photo albums

Hashmap is a data structure that stores key-value pairs and uses hashing to locate values based on their keys.

• Hashmap uses an array to store the key-value pairs

• The key is hashed to generate an index in the array

• If multiple keys hash to the same index, a linked list is used to store them

• Hashmap provides constant time complexity for insertion, deletion, and retrieval of values

• Java's HashMap class is an implementation of the hashmap data structure

KPIs in FMCG industry are crucial for measuring performance and achieving business objectives.

• Sales growth rate

• Market share

• Inventory turnover

• Customer satisfaction

• Brand awareness

• Promotion effectiveness

• Distribution efficiency

• Cost of goods sold

• Return on investment

• Profit margin

Concurrency in Java refers to the ability of multiple tasks to run simultaneously within a program.

• Concurrency allows for better utilization of resources by executing multiple tasks at the same time.

• Java provides built-in support for concurrency through features like threads and thread pools.

• Concurrency can lead to issues like race conditions and deadlocks, which need to be carefully managed.

• Example: Running multiple threads to perform different tasks concurrently in a web se...read more

Java OOPs concepts like inheritance, polymorphism, encapsulation, and abstraction are applied in Selenium for creating robust and maintainable test automation scripts.

• Inheritance: Allows creating reusable code by extending classes in Selenium, for example creating a base test class with common methods.

• Polymorphism: Enables using methods with the same name but different implementations in Selenium, for example overriding WebDriver methods in custom classes.

• Encapsulation: Helps...read more

Deep copy creates a new object with the same values as the original, while shallow copy creates a new object with references to the original.

• Deep copy duplicates all the nested objects and their values, while shallow copy only duplicates the top-level object.

• Deep copy is more memory-intensive and time-consuming than shallow copy.

• In Python, deep copy can be achieved using the deepcopy() function from the copy module, while shallow copy can be achieved using the copy() function...read more

Maven is a build automation tool used primarily for Java projects.

• Maven uses a Project Object Model (POM) to manage dependencies and build process

• It provides a uniform build system and can manage multiple projects

• Maven plugins can be used to extend its functionality

• Maven central repository is a widely used repository for Java libraries

• Example: mvn clean install command is used to build and package a project

Oops concepts in JAVA

• Encapsulation - hiding implementation details

• Inheritance - reusing code and creating parent-child relationships

• Polymorphism - multiple forms of a method or class

• Abstraction - focusing on essential features and hiding unnecessary details

I have X years of domain experience.

• I have worked in this domain for X years.

• During my time in this domain, I have gained expertise in various areas such as...

• I have worked on projects related to...

• I have experience working with clients in this domain.

• I keep myself updated with the latest trends and developments in this domain.

Chunking techniques involve breaking information into smaller, manageable chunks for easier processing and retention.

• Hierarchical chunking: Breaking information into categories and subcategories.

• Serial chunking: Breaking information into a series of smaller chunks.

• Spatial chunking: Organizing information based on spatial relationships.

• Temporal chunking: Organizing information based on time sequences.

Multiple inheritance is a feature in object-oriented programming where a class can inherit attributes and methods from more than one parent class.

• Allows a class to inherit attributes and methods from multiple parent classes

• Can lead to the Diamond Problem where ambiguity arises if two parent classes have a method with the same name

• Some programming languages like C++ support multiple inheritance while others like Java do not

Background refers to a person's education, experience, and qualifications in a particular field.

• Includes education, work experience, skills, and qualifications

• Provides context for understanding a person's expertise

• Can also refer to the history or context of a situation

• Example: A candidate for a job may have a background in marketing with a degree in business administration

I rate my Excel skills at 8 out of 10.

• Proficient in using formulas and functions

• Able to create and format charts and graphs

• Familiar with data analysis tools like PivotTables

• Experience in using macros for automation

• Limited knowledge in VBA programming

Partition is the division of a physical or logical structure into multiple parts.

• Partitioning helps in organizing data, improving performance, and increasing efficiency.

• Examples include disk partitioning in a computer system, partitioning of a database table for better management, and partitioning of a hard drive for separate storage areas.

Manual testing involves executing test cases without the use of automation tools.

• Manual testing is done by testers who manually execute test cases without the use of automation tools.

• It involves verifying software applications for bugs, defects, and issues.

• Examples of manual testing include functional testing, regression testing, usability testing, and exploratory testing.

Use 'policy create' command in CLI to create a policy

• Use 'policy create' command followed by the necessary parameters to create a policy

• Make sure to specify the policy name, type, and any other required details

• Check the CLI documentation for specific syntax and options

• Example: policy create --name myPolicy --type access --description 'Policy for access control'

Redis is an open-source, in-memory data structure store used as a database, cache, and message broker.

• Redis is a NoSQL database that stores data in key-value pairs.

• It supports various data structures like strings, hashes, lists, sets, and sorted sets.

• Redis can be used as a cache to improve the performance of web applications.

• It also supports pub/sub messaging and can be used as a message broker.

• Redis is known for its high performance and scalability.

• It provides various featur...read more

Logic Apps are a cloud-based service that allows you to create and run workflows to automate business processes and integrate systems.

• Logic Apps provide a visual designer to create workflows using pre-built connectors and triggers.

• They can integrate with various services such as Azure Functions, Azure Service Bus, and more.

• Logic Apps can be used for a variety of scenarios such as data integration, file processing, and event-driven workflows.

• They offer built-in monitoring and ...read more

Function apps are a serverless solution for running small pieces of code in the cloud.

• Function apps can be used for event-driven scenarios, such as processing data from a queue or triggering a workflow.

• They can also be used for building APIs or webhooks.

• Function apps support multiple programming languages, including C#, Java, Python, and JavaScript.

• They can be easily integrated with other Azure services, such as Azure Storage and Azure Event Grid.

• Function apps are billed base...read more

Power BI has added new features for data visualization, AI insights, and data modeling.

• New AI-powered visuals like decomposition tree and key influencers

• New data modeling capabilities like composite models and aggregations

• Improved performance and accessibility features

• Enhanced integration with Azure services

Enhancements refer to improvements made to a system or process to increase efficiency or functionality.

• Enhancements can involve adding new features or improving existing ones.

• The logic behind enhancements is to address user needs or feedback.

• Enhancements should align with the overall goals and objectives of the system or process.

• Regularly reviewing and implementing enhancements can help keep a system up-to-date and competitive.

• Examples of enhancements include adding a search ...read more

RFQ stands for Request for Quotation and is used in procurement to solicit bids from suppliers.

• RFQ is used by organizations to gather pricing information from potential suppliers for goods or services.

• It helps in comparing quotes from different suppliers to make informed purchasing decisions.

• RFQs typically include details such as quantity, specifications, delivery requirements, and terms of payment.

• Examples of RFQ applications include sourcing raw materials, equipment, or ser...read more

Release procedure refers to the steps followed to release a product or service to the market. Types include alpha, beta, and general availability releases.

• Release procedure involves planning, testing, and finalizing the product before making it available to customers.

• Types of releases include alpha (internal testing), beta (limited external testing), and general availability (full release to the public).

• Each type of release serves a specific purpose in ensuring the product is...read more

Snowflake architecture is a cloud-based data warehousing solution that allows for scalable and flexible data storage and processing.

• Snowflake uses a unique architecture with separate compute and storage layers, allowing for independent scaling of each component.

• It supports semi-structured data types like JSON, Avro, and Parquet, making it versatile for various data types.

• Snowflake's architecture enables automatic scaling up or down based on workload demands, reducing costs an...read more

PowerApps are categorized into Canvas Apps, Model-driven Apps, and Portal Apps.

• Canvas Apps allow users to create custom apps from scratch using drag-and-drop interface.

• Model-driven Apps are built on top of the Common Data Service and provide a framework for building data-driven apps.

• Portal Apps are used to create external-facing websites that allow users to interact with data stored in the Common Data Service.

• PowerApps can also be categorized based on their target platform, s...read more

XPath can be used to locate elements on the Amazon website.

• Use //tagname to select all elements with a specific tag name

• Use @attribute to select elements with a specific attribute

• Use [text()='value'] to select elements with specific text content

Threads allocation in MuleSoft involves configuring the number of threads for processing messages and handling concurrent requests.

• Threads can be allocated in MuleSoft by configuring the 'maxThreads' attribute in the HTTP Listener configuration.

• The 'maxThreads' attribute specifies the maximum number of threads that can be used to process incoming requests.

• Proper thread allocation is important to ensure optimal performance and resource utilization in MuleSoft applications.

HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.

• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• HashMap uses the hashCode() method of keys to calculate the hash value.

• HashMap allows null keys an...read more

Microservices are a software development technique that structures an application as a collection of loosely coupled services.

• Each service is self-contained and can be developed, deployed, and scaled independently

• Promotes flexibility, scalability, and resilience in software development

• Allows for different technologies to be used for different services

• Enables teams to work on different services simultaneously

• Facilitates easier maintenance and updates

BigQuery is a fully managed, serverless data warehouse by Google Cloud for analyzing large datasets using SQL.

• Fully managed data warehouse service

• Serverless - no infrastructure to manage

• Allows for analyzing large datasets using SQL

• Integrates with other Google Cloud services like Data Studio and Cloud Storage

Test mandate is a set of requirements or guidelines that define the scope and objectives of testing activities.

• Test mandate outlines the goals, scope, resources, and constraints of the testing process.

• It helps in ensuring that the testing activities align with the overall project objectives.

• Test mandate may include details on the types of tests to be conducted, testing tools to be used, and timelines for testing.

• It serves as a reference document for the testing team to ensure...read more

Java program to print 'Hello, World!'

• Create a class with a main method

• Use System.out.println() to print the message

• Compile and run the program

My framework is based on a combination of industry best practices, data-driven insights, and customized solutions to address specific client needs.

• Utilizes industry best practices

• Leverages data-driven insights

• Tailored solutions for client needs

Types of software testing include functional, performance, security, usability, and compatibility testing.

• Functional testing ensures that the software meets the specified requirements.

• Performance testing checks the software's speed, scalability, and stability under various loads.

• Security testing identifies vulnerabilities and ensures that the software is secure.

• Usability testing evaluates the software's user-friendliness and ease of use.

• Compatibility testing checks the softwa...read more

IP phone boot up process involves initialization, self-test, loading firmware, and registration with the server.

• IP phone powers on and goes through initialization process

• Self-test is performed to check hardware components

• Firmware is loaded from the server or local storage

• IP phone registers with the server to establish connection

Object-oriented programming concept that focuses on creating reusable code through classes and objects.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: Ability for objects of different classes to respond to the same method call.

• Abstraction: Hiding the complex implementation details and showing only the necessary features of an object.

• Ex...read more

C and C++ are programming languages commonly used for system programming and software development.

• C is a procedural programming language developed by Dennis Ritchie in 1972.

• C++ is an object-oriented programming language based on C, developed by Bjarne Stroustrup in 1983.

• C is often used for system programming, embedded systems, and low-level programming.

• C++ is used for software development, game development, and high-performance applications.

• C++ supports object-oriented progra...read more

Different types of testing include unit testing, integration testing, system testing, and acceptance testing.

• Unit testing focuses on testing individual components or modules of the software.

• Integration testing involves testing how different modules work together.

• System testing tests the entire system as a whole.

• Acceptance testing is done to ensure the software meets the requirements of the end users.

OOPs concepts are the fundamental principles of object-oriented programming.

• Encapsulation - binding data and functions together

• Inheritance - acquiring properties and behavior of parent class

• Polymorphism - ability of objects to take multiple forms

• Abstraction - hiding implementation details and showing only necessary information

I have worked on various frameworks including Angular, React, and Vue.js.

• Developed a web application using Angular framework for a client in the healthcare industry

• Built a responsive website using React framework for an e-commerce company

• Created a single-page application using Vue.js framework for a startup

GRC implementation involves end-to-end integration of governance, risk management, and compliance processes.

• Identify and prioritize risks and compliance requirements

• Develop policies and procedures to address identified risks and requirements

• Implement controls and monitoring mechanisms to ensure compliance

• Regularly review and update the GRC framework to adapt to changing risks and regulations

• Examples of GRC software include RSA Archer, MetricStream, and SAP GRC

Annotations are used in Springboot to simplify configuration and reduce boilerplate code.

• Annotations are used to define the behavior of Spring components

• They can be used to define the scope of a bean, inject dependencies, and handle exceptions

• Some commonly used annotations include @Component, @Autowired, and @ExceptionHandler

Java is a popular programming language used to develop a wide range of applications.

• Java is an object-oriented language

• It is platform-independent

• Java programs are compiled into bytecode

• Java has a vast library of pre-built classes and APIs

• Examples of Java programs include Android apps, web applications, and enterprise software

Code to identify a palindrome in an array of strings

• Iterate through each string in the array

• For each string, check if it is equal to its reverse

• If it is equal, then it is a palindrome

Different operations are used in consulting to address various client needs and challenges.

• Strategic planning

• Process improvement

• Organizational restructuring

• Market research and analysis

• Financial analysis and modeling

The process followed in the project involved thorough planning, execution, monitoring, and evaluation.

• Initial planning phase to define project scope and objectives

• Execution phase where tasks were assigned and completed

• Monitoring phase to track progress and make necessary adjustments

• Evaluation phase to assess project outcomes and lessons learned

TestNG allows for parallel execution of test cases to save time and improve efficiency.

• TestNG provides the 'parallel' attribute in the testng.xml file to specify the parallel execution mode.

• Parallel execution can be done at the test level, class level, method level, or even group level.

• For example, will run all test tags in parallel.

• Make sure to handle thread safety and synchronization issues when running tests in parallel.

POM creation for real-time pages involves creating page object models to represent dynamic elements on a webpage.

• Identify dynamic elements on the webpage that need to be interacted with in real-time

• Create separate page classes for each page containing methods to interact with the dynamic elements

• Use Page Factory in Selenium to initialize elements in the page classes

• Implement wait strategies to handle dynamic loading of elements

Higher Order Components (HOC) in React are functions that take a component and return a new component with additional functionality.

• HOCs are a pattern used for code reuse, logic abstraction, and component composition in React.

• They are commonly used for adding props, state, or lifecycle methods to components.

• Example: withAuth HOC can be used to restrict access to certain components based on authentication status.

Pickling is a technique in Python used to serialize and deserialize objects.

• Pickling is used to convert a Python object into a byte stream.

• The pickle module is used for pickling and unpickling.

• The pickle.dump() method is used to pickle an object.

• The pickle.load() method is used to unpickle an object.

• Pickling is useful for storing and transmitting data between different Python programs.

WCF stands for Windows Communication Foundation, a framework for building service-oriented applications.

• WCF is a part of the .NET framework and provides a platform for building and running connected systems.

• It enables secure, reliable, and transacted messaging between applications.

• WCF supports various communication protocols such as HTTP, TCP, and MSMQ.

• It allows for interoperability between different platforms and technologies.

• Examples of WCF applications include web services...read more

Collection is a framework in Java that provides an architecture to store and manipulate a group of objects.

• Collection is an interface that extends Iterable interface

• List, Set, and Queue are the main subinterfaces of Collection

• ArrayList, LinkedList, HashSet, and TreeSet are some of the commonly used implementations of Collection

• Collections class provides various utility methods to operate on Collection objects

Pricing procedure involves determining the pricing strategy and structure for products or services.

• Understand the cost structure and profit margins

• Analyze market demand and competition

• Consider pricing objectives and positioning

• Implement pricing tactics such as discounts or bundling

• Regularly review and adjust pricing strategy

SQL query using inner joins

• Use INNER JOIN to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table

• Add a WHERE clause to specify the condition for the join

Window handling in Selenium involves switching between multiple windows or tabs during test execution.

• Use getWindowHandles() to get all window handles

• Use switchTo().window() to switch between windows

• Use getWindowHandle() to get the handle of the current window

Java 8 introduced new features like lambda expressions, functional interfaces, streams, and default methods.

• Lambda expressions allow you to write code in a more concise way.

• Functional interfaces can have only one abstract method and are used to implement lambda expressions.

• Streams provide a way to work with sequences of elements and perform operations like filter, map, reduce, etc.

• Default methods allow interfaces to have concrete methods.

• Java 8 also introduced the Optional cl...read more

Enterprise structure refers to the organization of a company's departments, divisions, and subsidiaries.

• It defines the hierarchy of the organization

• It determines how information flows within the company

• It can be based on geography, product lines, or business functions

• Examples include a centralized, decentralized, or matrix structure

Python has a built-in module called 'requests' for making HTTP requests to APIs and websites.

• To use the requests module, first install it using pip

• Then import the requests module in your Python script

• Use the requests.get() method to make a GET request to a URL

• Use the requests.post() method to make a POST request to a URL

• Use the requests.put() method to make a PUT request to a URL

• Use the requests.delete() method to make a DELETE request to a URL

Events in reports refer to the sequence of actions or incidents described in a document or presentation.

• Events in reports should be presented in a chronological order to provide a clear understanding of the situation.

• Each event should be described with relevant details such as date, time, location, and individuals involved.

• Reports may include events such as meetings, interviews, observations, experiments, or incidents.

• Events in reports help to convey a narrative or analysis o...read more

Types of locators in Selenium include ID, Name, Class Name, Tag Name, Link Text, Partial Link Text, XPath, and CSS Selector.

• ID - locate elements by their id attribute

• Name - locate elements by their name attribute

• Class Name - locate elements by their class attribute

• Tag Name - locate elements by their tag name

• Link Text - locate elements by the exact text of a link

• Partial Link Text - locate elements by a partial match of link text

• XPath - locate elements using XPath expressions

• CS...read more

Polymorphism in Java allows objects of different classes to be treated as objects of a common superclass.

• Polymorphism allows methods to be called on objects of different classes that share a common superclass.

• There are two types of polymorphism in Java: compile-time polymorphism (method overloading) and runtime polymorphism (method overriding).

• Example of runtime polymorphism is when a subclass overrides a method of its superclass.

• Polymorphism helps in achieving flexibility an...read more

Methods in streams are used to perform operations on elements in a sequential manner.

• Methods like map, filter, reduce, forEach, etc. are commonly used in streams to manipulate data.

• Map method is used to transform each element in the stream.

• Filter method is used to select elements based on a condition.

• Reduce method is used to combine all elements into a single result.

• ForEach method is used to perform an action on each element without returning a new stream.

The base location is in Hyderabad.

• Hyderabad is the base location for this position.

• Candidates should be willing to work in Hyderabad.

• Knowledge of local area and amenities in Hyderabad may be beneficial.

The day-to-day tasks of a Consultant involve providing expert advice, analyzing data, developing strategies, and collaborating with clients.

• Providing expert advice to clients

• Analyzing data and conducting research

• Developing strategies and recommendations

• Collaborating with clients and team members

• Preparing reports and presentations

I am currently located in New York City.

• I am living in Manhattan, specifically in the Upper East Side neighborhood.

• I work remotely from my apartment due to the COVID-19 pandemic.

• I enjoy the cultural diversity and vibrant atmosphere of the city.

HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.

• HashMap uses hashing to store and retrieve elements efficiently.

• Keys in a HashMap must be unique, but values can be duplicated.

• HashMap is not synchronized, so it is not thread-safe. Use ConcurrentHashMap for thread-safe operations.

Spring is a framework for building Java applications, while Spring Boot is a tool for quickly creating stand-alone Spring-based applications.

• Spring is a comprehensive framework for building Java applications, providing support for various modules like Spring MVC, Spring Data, and Spring Security.

• Spring Boot is an opinionated tool that simplifies the setup and configuration of Spring applications, allowing developers to quickly create stand-alone, production-ready applications...read more

Java8 stream program to demonstrate filtering and mapping operations.

• Use filter() method to select elements based on a condition.

• Use map() method to transform elements into another form.

• Use collect() method to accumulate the elements into a collection.