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Java Exercises - Basic to Advanced Java Practice Programs with Solutions

Looking for Java exercises to test your Java skills, then explore our topic-wise Java practice exercises? Here you will get 25 plus practice problems that help to upscale your Java skills.

As we know Java is one of the most popular languages because of its robust and secure nature. But, programmers often find it difficult to find a platform for Java Practice Online. In this article, we have provided Java Practice Programs. That covers various Java Core Topics that can help users with Java Practice.

So, with ado further take a look at our free Java Exercises to practice and develop your Java programming skills. Our Java programming exercises Practice Questions from all the major topics like loops, object-oriented programming, exception handling, and many more.

Topic Wise Java Exercises List

Pattern Programs in Java
Array Programs in Java
String Programs in Java

Java Practice Problems for Searching Algorithms

Practice problems in java sorting algorithms, more java practice exercises.

Java Practice Programs

This Java exercise is designed to deepen your understanding and refine your Java coding skills, these programs offer hands-on experience in solving real-world problems, reinforcing key concepts, and mastering Java programming fundamentals. Whether you're a beginner who looking to build a solid foundation or a professional developer aiming to sharpen your expertise, our Java practice programs provide an invaluable opportunity to sharpen your craft and excel in Java programming language .

Java enthusiasts can also benefit from practicing various java exercises on the GeeksforGeeks Online Practice Platform , where challenges cater to both beginners and advanced programmers.

By diving into these exercises, you'll not only reinforce key concepts but also gain the practical experience needed to tackle real-world problems effectively. This hands-on practice is essential for mastering Java fundamentals and advancing your career as a proficient Java developer. To further enhance your skills, consider enrolling in our Java Course . This course offers comprehensive lessons and practical exercises, making it an excellent resource for both beginners and experienced developers.

1. Write Hello World Program in Java

The solution to the Problem is mentioned below:

2. Write a Program in Java to Add two Numbers.

Click here for the solution, 3. write a program to swap two numbers, 4. write a java program to convert integer numbers and binary numbers., 5. write a program to find factorial of a number in java., 6. write a java program to add two complex numbers., 7. write a program to calculate simple interest in java, 8. write a program to print the pascal's triangle in java, 9. write a program to find sum of fibonacci series number, java exercise on pattern.

10. Write a Program to Print Pyramid Number Pattern in Java.

11. write a java program to print pattern., 12. write a java program to print pattern., 13. java program to print patterns., array exercises in java.

14. Write a Java Program to Compute the Sum of Array Elements.

15. write a java program to find the largest element in array, 16. write java program to find the tranpose of matrix, 17. java array program for array rotation, 18. java array program to remove duplicate elements from an array, 19. java array program to remove all occurrences of an element in an array, string exercises in java.

20. Java program to check whether a string is a Palindrome

21. java string program to check anagram, 22. java string program to reverse a string, 23. java string program to remove leading zeros.

24. Write a Java Program for Linear Search.

Time Complexity: O(N) Space Complexity: O(N)

25. Write a Binary Search Program in Java.

Time Complexity: O(logN) Space Complexity: O(N)

26. Java Program for Bubble Sort.

Time Complexity: O(N 2 ) Space Complexity: O(1)

27. Write a Program for Insertion Sort in Java.

28. java program for selection sort., 29. java program for merge sort..

Time Complexity: O(N logN) Space Complexity: O(N)

30. Java Program for QuickSort.

Time Complexity: O(N logN) Space Complexity: O(1)

After completing these Java exercises you are a step closer to becoming an advanced Java programmer. We hope these exercises have helped you understand Java better and you can solve beginner to advanced-level questions on Java programming.

Solving these Java programming exercise questions will not only help you master theory concepts but also grasp their practical applications, which is very useful in job interviews.

Java Array Exercise Java String Exercise Java Collection Exercise Click Here - To Practice Java Online please check our Practice Portal.

Java Exercise - FAQ

1. how to do java projects for beginners.

To do Java projects you need to know the fundamentals of Java programming. Then you need to select the desired Java project you want to work on. Plan and execute the code to finish the project. Some beginner-level Java projects include: Reversing a String Number Guessing Game Creating a Calculator Simple Banking Application Basic Android Application

2. Is Java easy for beginners?

As a programming language, Java is considered moderately easy to learn. It is unique from other languages due to its lengthy syntax. As a beginner, you can learn beginner to advanced Java in 6 to 18 months.