10+ Synechron Senior Associate Interview Questions and Answers

Concurrency is the ability of a program to execute multiple tasks simultaneously.

• Achieved through multi-threading or asynchronous programming

• Requires careful management of shared resources to avoid race conditions

• Examples include implementing a chat application or processing multiple requests simultaneously

Core Java is a programming language, Spring Boot is a framework for building web applications, and Microservices is an architectural style for building distributed systems.

• Core Java is used for developing standalone applications and is the foundation for many other Java frameworks.

• Spring Boot is a popular framework for building web applications that simplifies the development process.

• Microservices is an architectural style for building distributed systems where each service i...read more

We used a hybrid automation framework which combined data-driven and keyword-driven approaches.

• The framework was built using Selenium WebDriver and TestNG.

• It allowed us to write test cases in a modular and reusable manner.

• We used Excel sheets to store test data and keywords.

• The framework also had reporting capabilities using ExtentReports.

• We followed the Page Object Model design pattern for better maintainability.

A load balancer is a device or software that distributes incoming network traffic across multiple servers to ensure efficient use of resources and prevent overload.

• Load balancers improve the performance and reliability of applications by distributing traffic evenly across servers.

• They can be hardware-based or software-based, and can be implemented at different layers of the network stack.

• Common load balancing algorithms include round-robin, least connections, and IP hash.

• Exam...read more

A web garden is a configuration in which multiple worker processes are used to handle incoming web requests, improving scalability and performance.

• Web garden is used to improve the scalability and performance of web applications by utilizing multiple worker processes.

• It can help distribute the load of incoming requests across multiple processes, reducing bottlenecks and improving response times.

• Web garden can be particularly useful for applications with high traffic or resour...read more

Implement global search filter for efficient data retrieval across all fields

• Utilize a centralized search function to query all relevant fields in the database

• Implement filters for different data types (text, numbers, dates) to refine search results

• Include options for advanced search criteria such as boolean operators or wildcards

• Optimize search performance by indexing frequently searched fields

A string is a sequence of characters. It is used to store and manipulate text.

• Strings are enclosed in quotes, either single or double.

• They can be concatenated using the + operator.

• String methods include length(), indexOf(), and substring().

• Examples: 'Hello, world!', '1234', 'This is a string.'

Current CTC is INR 12,00,000 per annum

• Current CTC is INR 12,00,000 per annum

• CTC includes salary, bonuses, and other benefits

• CTC may vary based on performance and company policies

Expected CTC per annum is negotiable based on the role and responsibilities.

• CTC can vary based on the company, industry, location, and level of experience.

• It is important to research the market standards for the specific role before providing a figure.

• Candidates can mention a range or state that they are open to discussing compensation during the interview process.

A webform is an online form used to collect information from users on a website.

• Webforms typically include fields for users to input their name, email, and other relevant information.

• Webforms can be used for various purposes such as contact forms, registration forms, surveys, and more.

• Webforms can be created using HTML, CSS, and JavaScript, or through online form builders like Google Forms or Typeform.

Double check locking is a design pattern used to prevent multiple threads from creating multiple instances of a singleton class.

• Create a private static instance variable with volatile keyword to ensure visibility across threads

• Use synchronized block inside if condition to check and create instance only once

• Check instance again inside synchronized block to prevent race condition

• Example: private static volatile Singleton instance; public static Singleton getInstance() { if (ins...read more

Procedures are reusable blocks of code that can return values, while functions are named blocks of code that can be called.

• Procedures do not return values, while functions do.

• Functions must return a value, procedures do not have to.

• Functions are called by name, procedures are called by using the CALL statement.

• Functions can be used in SQL queries, procedures cannot.

Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.

• Inheritance allows for code reusability and promotes the concept of hierarchy in programming.

• The class that is being inherited from is called the parent class or superclass, while the class that inherits is called the child class or subclass.

• Child classes can override inherited methods or add new methods and attributes.

• For example, a 'Vehicle' class can ...read more

Encapsulation is the concept of bundling data and methods that operate on the data into a single unit, known as a class.

• Encapsulation helps in hiding the internal state of an object and only exposing the necessary functionalities.

• It allows for better control over the data by preventing direct access from outside the class.

• Encapsulation promotes code reusability and modularity.

• Example: In a class representing a bank account, the account balance should be encapsulated within th...read more

Closure is the process of finalizing or completing something, often used in project management or therapy.

• Closure is important for bringing a sense of completion or resolution to a situation.

• In project management, closure involves wrapping up all loose ends and documenting the project's outcomes.

• In therapy, closure can refer to the process of accepting and moving on from past experiences or relationships.

• Closure can also involve communication or conversation to bring about un...read more

Delete and truncate are both operations used to remove data, but they differ in their approach and outcome.

• Delete removes entire records or rows from a database, while truncate removes all records from a table

• Delete is slower and can be rolled back, while truncate is faster but cannot be rolled back

• Delete triggers triggers and constraints, while truncate does not

Jenkinsfile is a text file that contains the definition of a Jenkins Pipeline.

• Jenkinsfile is written in Groovy syntax.

• It defines the steps, stages, and configuration of a Jenkins Pipeline.

• It allows for version control and easy sharing of pipeline configurations.

• Jenkinsfile can be stored in a project's repository alongside the code it builds.