30+ Statiq Interview Questions and Answers

Redux flow involves dispatching actions, updating the store, and triggering re-rendering of components.

• Actions are dispatched from components

• Reducers update the store based on the action

• Store notifies subscribed components of state change

• Components re-render with updated state

I have savings, investments, and a strong network for potential job opportunities.

• I have a substantial emergency savings fund that can cover my expenses for several months.

• I have diversified investments that can provide additional financial support if needed.

• I have a strong professional network that can help me find new job opportunities quickly.

• I am open to exploring freelance or consulting opportunities to generate income during the shutdown period.

Hooks are functions that let you use state and other React features without writing a class.

• Hooks are introduced in React 16.8

• Rules of hooks are: Only call hooks at the top level, Only call hooks from React functions, Only call hooks from custom hooks

• Examples of hooks are useState, useEffect, useContext, useReducer, useMemo, useCallback, useRef

List comprehension is a concise way to create lists in Python. Constructor is a special method used to initialize objects. Schemas are blueprints for organizing data.

• List comprehension is a shorthand way to create lists in Python

• It is a concise way to write a for loop and append to a list in a single line

• Example: squares = [x**2 for x in range(10)]

• Constructor is a special method used to initialize objects

• It is called when an object is created from a class

• Example: class Person...read more

Inner joins are used to return rows that have matching values in both tables, while outer joins return all rows from one table and only matching rows from the other table.

• Use inner join to retrieve rows with matching values in both tables

• Use outer join to retrieve all rows from one table and only matching rows from the other table

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: SELECT * FROM table1 LEFT OUTER JOIN table2 ON table1.id = table2.i...read more

DBMS stands for Database Management System. SQL is a programming language used to manage and manipulate data in DBMS.

• DBMS is a software system that allows users to create, manage, and manipulate databases.

• SQL (Structured Query Language) is a programming language used to communicate with DBMS and perform operations on data.

• DBMS and SQL are used in various industries such as finance, healthcare, and e-commerce.

• Examples of popular DBMS include Oracle, MySQL, and Microsoft SQL Se...read more

Display flex is a CSS property that allows flexible layout of elements within a container.

• It enables responsive design by automatically adjusting the size and position of elements

• It allows for easy alignment and distribution of elements along the main and cross axis

• It can be used to create complex layouts with minimal code

• It supports both horizontal and vertical layouts

• Example: display: flex; justify-content: center; align-items: center;

Using nested loops in Springboot to iterate over a list of objects

• Create a list of objects to iterate over

• Use nested for loops to iterate over the list

• Access the properties of each object within the nested loops

Latency delisting refers to removing items from a list due to excessive delay.

• Latency delisting is common in online marketplaces where products with slow shipping times are removed from search results.

• In finance, stocks with significant delays in reporting financial information may be delisted from exchanges.

• In healthcare, medications with long wait times for regulatory approval may be delisted from formularies.

SQL MODE METER DATA is a setting that determines how strict or lenient MySQL is when handling invalid or missing values in queries.

• SQL MODE METER DATA is a configuration setting in MySQL that affects how queries are processed.

• It determines the behavior of MySQL when encountering invalid or missing values in queries.

• It can be set to different modes like STRICT_ALL_TABLES, TRADITIONAL, etc.

• For example, in STRICT_ALL_TABLES mode, MySQL will return an error if a value doesn't mee...read more

Android development apk creation involves compiling the code into an executable file for installation on Android devices.

• Write the code in Java or Kotlin

• Use Android Studio to build and compile the code

• Generate a signed APK for distribution

• Test the APK on different devices to ensure compatibility

Program to get the 3rd element in an integer list.

• Create an integer list

• Access the 3rd element using index 2

• Return the element

AP Account Payable refers to the amount owed by a company to its suppliers or vendors for goods or services received.

• AP Account Payable is a liability on the company's balance sheet.

• It represents the company's short-term obligations to pay its creditors.

• AP is recorded when a company receives goods or services on credit.

• It is an important component of working capital management.

• Examples of AP include invoices from suppliers, utility bills, and employee expenses.

forEach() is a method of List interface while Stream API provides forEach() for streams. Terminal operations produce a result while intermediate operations return a new stream.

• forEach() of List is used to iterate over elements in a sequential manner while forEach() of Stream API is used to perform an action on each element in a parallel manner.

• Terminal operations like collect(), reduce(), and forEach() produce a result and close the stream while intermediate operations like f...read more

Static keyword in Java can be used at class, method, and variable level. Static methods cannot be overridden.

• Static variables are shared among all instances of a class

• Static methods belong to the class rather than an instance

• Static keyword can be used to create utility classes with only static methods

• Example: public class Math { public static int add(int a, int b) { return a + b; }}

The preferred location for the Senior Java Developer role is not specified.

• The preferred location may vary depending on the company's location and requirements.

• It is best to inquire with the hiring company regarding their preferred location.

• Some companies may offer remote work options for this role.

Serialization is the process of converting an object into a stream of bytes to store or transmit data. JPA is a specification while Hibernate is an implementation of JPA.

• Serialization is used to convert objects into a format that can be easily stored or transmitted, such as in databases or over networks.

• JPA (Java Persistence API) is a specification for managing relational data in Java applications.

• Hibernate is an implementation of JPA that provides additional features and sim...read more

2 way match is a comparison of the invoice and the purchase order, while 3 way match involves comparing the invoice, purchase order, and the receiving report.

• 2 way match compares the invoice and the purchase order to ensure they match in terms of quantity, price, and terms.

• 3 way match adds an additional step of comparing the invoice, purchase order, and the receiving report to ensure all three documents align.

• The purpose of these matches is to prevent errors, fraud, and discr...read more

Stereotype annotations in Spring Boot are used to define custom annotations for specific use cases.

• Stereotype annotations are used to group related components and simplify configuration.

• Examples include @Controller, @Service, and @Repository.

• Custom stereotype annotations can be created using @Component and @Stereotype.

• Stereotype annotations can be used with other Spring annotations like @Autowired and @Qualifier.

Microservices are a software architecture style where applications are composed of small, independent services that communicate over well-defined APIs.

• Microservices break down a large application into smaller, loosely coupled services that can be developed, deployed, and scaled independently.

• Each microservice is responsible for a specific business function and communicates with other services through APIs.

• Object-Oriented Programming (OOO) focuses on modeling real-world entiti...read more

I have 5+ years of experience in coding with a strong focus on Java 8 features.

• Experience with Java 8 features such as lambda expressions, streams, and functional interfaces.

• Developed applications using Java 8 features to improve code readability and performance.

• Familiar with new features introduced in Java 8 like Optional class and default methods in interfaces.

I have experience using various Tcodes in SAP, including MM01, VA01, and ME21N.

• MM01 - Material Master Creation

• VA01 - Sales Order Creation

• ME21N - Purchase Order Creation

Calculate the area of a rectangle program

• Create a method that takes in the length and width of the rectangle as parameters

• Multiply the length and width to calculate the area

• Return the calculated area

P2P cycle refers to the Procure-to-Pay cycle which involves the entire process of purchasing goods or services.

• The cycle starts with identifying the need for a product or service

• Then, a purchase order is created and sent to the supplier

• The supplier delivers the product or service and an invoice is generated

• The invoice is verified and approved for payment

• Finally, payment is made to the supplier

• The cycle ends with recording the transaction in the accounting system

Reverse a string while keeping spaces intact

• Iterate through the string from the end and append each character to a new string

• If the character is a space, append it to the new string as well

• Return the new string as the reversed string with spaces intact

In Spring, a Bean's scope determines the lifecycle and visibility of the bean within the Spring container.

• Bean scope defines how long a bean lives and how many instances are created

• Common scopes include singleton, prototype, request, session, and application

• Singleton scope creates a single instance per Spring container

• Prototype scope creates a new instance every time the bean is requested

• Request scope creates a new instance for each HTTP request

• Session scope creates a single ...read more

I add value by optimizing operations, improving efficiency, and driving team performance.

• Implementing process improvements to increase efficiency

• Developing and implementing strategies to optimize operations

• Leading and motivating team members to achieve goals

• Analyzing data to identify areas for improvement

• Reducing costs while maintaining quality standards

Redux is a predictable state container for JavaScript apps.

• Redux is a state management library for JavaScript applications.

• It follows a unidirectional data flow architecture.

• Actions are dispatched to the store, which updates the state.

• Selectors are used to retrieve data from the state.

• Middleware can be used to intercept and modify actions.

• Redux DevTools can be used for debugging and time-traveling.

• Example: dispatching an action to add a todo item to the state.

• Example: using a...read more

Yes, I have experience with microservices architecture.

• Implemented microservices using Spring Boot framework

• Utilized Docker for containerization of microservices

• Used Kubernetes for orchestration and scaling of microservices

• Implemented API gateways for routing and load balancing

Approximately 70% of our testing process is automated.

• We have automated regression tests for critical functionalities

• Automation scripts are used for load testing and performance testing

• Continuous integration pipelines include automated tests

• Approximately 70% of test cases are automated

I use Selenium for automated testing of web applications.

• Creating test scripts using Selenium WebDriver

• Executing test scripts on different browsers

• Verifying expected outcomes against actual results

• Generating test reports