IBM Java Developer Interview Questions, Process, and Tips

Spring Boot provides a simplified way to create stand-alone, production-grade Spring-based Applications.

• Rapid application development

• Embedded server for easy deployment

• Auto-configuration for setting up Spring projects quickly

• Microservices support

• Actuator for monitoring and managing applications

Microservices architecture in Spring is a way of designing software applications as a collection of loosely coupled services.

• Microservices architecture breaks down a large application into smaller, independent services that can be developed, deployed, and scaled independently.

• Spring Boot and Spring Cloud are commonly used frameworks for building microservices in Java.

• Each microservice typically has its own database and...read more

Java interview questions covering topics like abstraction, inheritance, garbage collector, class loader, Spring security, bean scopes, wait-notify, class vs object level local, ArrayList vs LinkedList, Singleton class, and RestController vs Controller.

• Abstraction focuses on hiding implementation details while inheritance allows a class to inherit properties and methods from another class.

• Garbage collector is a program ...read more

I am leaving Wipro to explore new opportunities and challenges.

• Exploring new opportunities and challenges

• Seeking career growth

• Looking for a change in work environment

• Wanting to work with new technologies or industries

• Seeking better work-life balance

An interface is a contract that defines a set of methods that a class must implement, while an abstract class is a class that cannot be instantiated and can contain both abstract and non-abstract methods.

• An interface can only have abstract methods, while an abstract class can have both abstract and non-abstract methods.

• A class can implement multiple interfaces, but can only extend a single abstract class.

• Interfaces are...read more

To make a class immutable in Java, make it final, declare all fields as private and final, and provide only getter methods.

• Declare the class as final to prevent inheritance

• Declare all fields as private and final to prevent modification

• Provide only getter methods to access the fields

• Avoid providing setter methods or any other methods that modify the state of the class