KPMG is hiring Freshers candidates for the role of JAVA DEVELOPER. The details of the job, requirements and other information given below:

 KPMG IS HIRING : JAVA DEVELOPER

Don’t miss out, CLICK HERE (to apply before the link expires)

Java Developer interview questions and answers

1. What is Java?

Answer:
Java is a popular programming language used to create applications for computers, mobile phones, and websites. It is an object-oriented, class-based language, which means it is based on real-world objects like “Car”, “Student”, or “Employee”. Java is platform-independent, meaning once you write code, it can run on any device that supports Java without changing the code.

2. What is the difference between JDK, JRE, and JVM?

Answer:

3. What is the difference between == and .equals() in Java?

Answer:

4. What is a constructor in Java?

Answer:
A constructor is a special method used to create objects from a class. It has the same name as the class and does not have a return type. When we create an object using new, the constructor runs automatically to set up the object’s initial values.

Example:

java
public class Student {
Student() {
System.out.println("Student object created");
}
}

5. What is the difference between ArrayList and LinkedList?

Answer:

So, if you are accessing elements more, use ArrayList. If you are adding/removing more, use LinkedList.

6. What is the use of the final keyword in Java?

Answer:
The final keyword means something cannot be changed:

Example:

java
final int x = 10;

7. What is Spring Framework? Why is it used?

Answer:
Spring is a powerful Java framework used to build applications easily. It provides features like:

It makes code cleaner and helps develop applications faster.

8. What is the difference between GET and POST methods in a web application?

Answer:

For example, when you search on Google, it uses GET. When you submit a form, like a login, it usually uses POST.

9. What is exception handling in Java?

Answer:
Exception handling is a way to manage errors in Java. Instead of crashing the program, Java gives us tools to catch errors and handle them safely.

Example:

java
try {
int x = 5 / 0;
} catch (ArithmeticException e) {
System.out.println("Cannot divide by zero");
}

This avoids the program from crashing.

10. What are the OOP principles in Java?

Answer:
Java uses Object-Oriented Programming (OOP), which is based on:

These make Java code reusable, flexible, and easy to manage.

11. What is JDBC in Java?

Answer:
JDBC (Java Database Connectivity) is a way to connect Java applications with a database like MySQL or Oracle. It allows you to:

It’s useful for applications that store or retrieve data from a database.

12. What are Servlets and JSP?

Answer:

Together, they help build Java-based websites.

13. What is Git and why do developers use it?

Answer:
Git is a tool to track changes in code. It helps:

It is used with GitHub or GitLab to manage code online.

14. What is Agile methodology?

Answer:
Agile is a way of working on software projects by dividing them into small tasks called “sprints” (usually 1-2 weeks). The team delivers working software at the end of each sprint and takes feedback regularly. This helps improve the product faster and based on customer needs.

15. Why do you want to join KPMG India as a Java Developer?

Answer:
I want to join KPMG India because it is a well-known company that values innovation and learning. As a fresher, I believe this role will give me a strong foundation in software development. I am passionate about Java and excited to work with experienced professionals and contribute to real-world projects.

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