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GeeksforGeeks
geeksforgeeks.org › java › java-exercises
Java Exercises - Basic to Advanced Java Practice Programs with Solutions - GeeksforGeeks
January 3, 2024 - This Java exercise collection is designed to deepen your understanding of Java and refine your coding skills. The programs provide hands-on experience in solving real-world problems, reinforce key concepts, and help you master Java fundamentals, ...
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w3resource
w3resource.com › java-exercises
Java programming Exercises, Practice, Solution - w3resource
It includes 1129 main exercises, each accompanied by solutions, detailed explanations, and 4 to 5 related problems. ... Java is the backbone of networked, mobile, and enterprise applications, used by over 9 million developers worldwide. Practice exercises-from basic to advanced-with sample solutions to boost your coding skills.
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Code-exercises
code-exercises.com
Java Programming Exercises with Solutions - Practice Online
Sharpen your lambda and streams skills with Java 8 coding practice problems. Check our Berlin Clock solution, a commonly used code exercise.
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W3Schools
w3schools.com › java › java_exercises.asp
Java Exercises
Variables Print Variables Multiple Variables Identifiers Constants (Final) Real-Life Examples Java Data Types
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Iusb
cs.iusb.edu › docs › students › C101-PracticeProblems.pdf pdf
Some Practice Problems for the Java Exam and Solutions for the Problems
The first solution employs a · somewhat more straightforward search process, in which we simply try one integer after another, starting · with the smaller of the two arguments, until we find an integer that divides both. For the purposes of the · Java exam, the first solution is acceptable (even though it is far less efficient than the solution that uses
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HackerRank
hackerrank.com › domains › java
Solve Java Code Challenges
Java (Intermediate) Problem Solving (Intermediate) Difficulty · Easy · Medium · Hard · Subdomains · Introduction · Strings · BigNumber · Data Structures · Object Oriented Programming · Exception Handling ·
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CodeGym
codegym.cc › java-coding-practice
Java Coding Practice | Improve Your Skills with Free Java Exercises
We’ve prepared a collection of Java exercises that will help you grasp the syntax of Java language and some core programming topics. In addition, you’ll find useful links to articles that cover the theory of Java. Enjoy your Java practice online and enhance your theory knowledge here! In this free simulator, you’ll find Java programming exercise with solutions verification.
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CodingBat
codingbat.com › java
CodingBat Java
CodingBat code practice · Welcome to Codingbat. See help for the latest. Java Example Solution Code · Java String Introduction (video) Java Substring v2 (video) Java String Equals and Loops · Java String indexOf and Parsing · Java If and Boolean Logic · If Boolean Logic Example Solution ...
Find elsewhere
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Programiz PRO
programiz.pro › community-challenges › java
Java Coding Challenges | Programiz PRO
Java Certification · DSA with Python · DSA with C++ Complexity Calculation · DSA Certification · Explore Projects · Get started with projects and learn to build real-world applications · Create a new project · Start from a blank playground and build anything you want · GUIDED PROJECTSView all · Simple Dice RollerBeginner · Build this classic game piece by piece by solving interactive problems ·
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CodeChef
codechef.com › practice › java
Practice Java
Complete your Java coding practice with our online Java practice course on CodeChef. Solve over 180 coding problems and challenges to get better at Java.
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Pythonista Planet
pythonistaplanet.com › java-programming-exercises-with-solutions
45 Java Programming Exercises With Solutions – Pythonista Planet
March 10, 2023 - Try to solve these problems by yourself and get better at Java. Let’s dive right in. import java.util.Scanner; class Main { public static void main(String[] args) { System.out.println("Enter a number: "); Scanner sc = new Scanner(System.in); int number =Integer.parseInt(sc.nextLine()); int x = number%2; if(x==0){ System.out.println("The number is Even"); } else{ System.out.println("The number is Odd"); } } } ... import java.util.Scanner; class Main { public static void main(String[] args) { System.out.println("Enter temperature in Centigrade: "); Scanner sc = new Scanner(System.in); int c =Integer.parseInt(sc.nextLine()); float f = ((9f*c)/5f)+32; System.out.println("Temperature in Fahrenheit is: "+f); } }
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Medium
mohamedsaidibrahim.medium.com › 15-must-know-java-coding-exercises-for-interviews-and-practice-456ae1fb34cf
💻 15 Must-Know Java Coding Exercises for Interviews and Practice | by Mohamed Said Ibrahim | Medium
June 16, 2025 - Let’s dive into 15 hand-picked Java problems that you must master: ... Problem: Reverse a given string. public class ReverseString { public static String reverse(String input) { return new StringBuilder(input).reverse().toString(); } } Problem: ...
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Tutorjoes
tutorjoes.in › java_programming_tutorial › task_programs_in_java
Java Programs for Practice with Solutions
If a five-digit number is input ... number that is input is 12391 then the output should be displayed as 23402. View Solution · 14. Write a program to convert a string to an integer in Java View Solution...
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Codewars
codewars.com › collections › java-exercises-1
Java Coding Practice | Java Exercises | Java Programs For Practice | Codewars
Codewars is a community where you can learn and practice coding in Java. Solve coding exercises to improve your skills.
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w3resource
w3resource.com › java-exercises › basic › index.php
Java Basic Programming Exercises - w3resource
This resource features 750 Java Basic exercises, each complete with solutions and detailed explanations. Additionally, each exercise includes four related problems, providing a total of 150 problems for practice.
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Edabit
edabit.com › challenges › java
800+ Java Practice Challenges // Edabit
Learn to code with fun, bite-sized challenges. Earn XP, unlock achievements and level up. It's like Duolingo for learning to code.
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Codecademy
codecademy.com › home › 12 java code challenges for beginners
12 Java Code Challenges for Beginners
January 21, 2025 - Below are 12 Java code challenges for beginners. The first six challenges are with strings, while the last six challenges involve numerical inputs. Let’s get started! ... For this challenge, the input is a string of words, and the output should be the words in reverse but with the letters in the original order.
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Stack Overflow
stackoverflow.com › questions › 26007393 › java-programming-exercises
Java Programming Exercises? - Stack Overflow
fibonnacci, printing diamond *, converting 193 to string character, add or even number. more on projecteuler.net/problems ... code-exercises.com/programming has a number of exercise in Java (with solutions).
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LabEx
labex.io › courses › java-exercises
Java Exercises | 200+ Real-world Practice Challenges | LabEx
... This Java Practice Challenges course is designed to help you enhance your Java skills through a series of practical exercises and projects. By solving these challenges, you will not only improve your problem-solving abilities but also learn ...