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Java Programming Exercises, Practice, Solution

Java Exercises

Java is the foundation for virtually every type of networked application and is the global standard for developing and delivering embedded and mobile applications, games, Web-based content, and enterprise software. With more than 9 million developers worldwide, Java enables you to efficiently develop, deploy and use exciting applications and services.

The best way we learn anything is by practice and exercise questions. Here you have the opportunity to practice the Java programming language concepts by solving the exercises starting from basic to more complex exercises. A sample solution is provided for each exercise. It is recommended to do these exercises by yourself first before checking the solution.

Hope, these exercises help you to improve your Java programming coding skills. Currently, following sections are available, we are working hard to add more exercises .... Happy Coding!

List of Java Exercises:

Note: If you are not habituated with Java programming you can learn from the following :

More to Come !

Popularity of Programming Language
Worldwide, June 2023 compared to a year ago:

`
Rank Change Language Share Trend
1 Python 27.66 % +0.2 %
2 Java 16.16 % -1.3%
3 Javascript 9.44 % -0.2%
4 C# 6.79 % -0.5%
5 C/C++ 6.6 % -0.1 %
6 PHP 5.04 % -0.4 %
7 R 4.17% -0.3%
8 TypeScript 3.11 % +0.5%
9 Swift 2.38 % +0.2%
10 up arrow Rust 2.24% +0.8%
11 down arrow Objective-C2.07% -0.1%
12 down arrow Go 2.02% +0.3%
13 down arrow Kotlin 1.82 % +0.1%
14 down arrow Matlab 1.55 % -0.2%
15 Ruby 1.12% +0.2%
16 up arrow Ada 0.97 % +0.3 %
17 up arrow Powershell 0.94 % +0.2 %
18 down arrow VBA 0.87 % -0.0 %
19 down arrow Dart 0.82 % -0.0 %
20 up arrow Lua 0.64 % +0.1 %
21 down arrow Scala 0.59 % -0.1 %
22 up arrow Abap 0.53 % +0.1 %
23 down arrow Visual Basic 0.48 % -0.1 %
24 down arrow Julia 0.42 % +0.0 %
25 down arrow Groovy 0.42 % +0.0 %
26 up arrow Cobol 0.41 % +0.2 %
27 down arrow Perl 0.35 % +0.1 %
28 down arrow Haskell 0.24 % -0.0 %
29 Delphi/Pascal 0.14 % +0.1 %

Source : https://pypl.github.io/PYPL.html

TIOBE Index for June 2023

June 2023 June 2022 Change Programming Language Ratings Change
1 1 Python 12.46% +0.26%
2 2 C 12.37% +0.46%
3 4 up arrow C++ 11.36% +1.73%
4 3 down arrow Java 11.28% +0.81%
5 5 C# 6.71% +0.59%
6 6 Visual Basic 3.34% -2.08%
7 7 JavaScript 2.82% +0.73%
8 13 up arrow PHP 1.74% +0.49%
9 8 down arrow SQL 1.47% -0.47%
10 9 down arrow Assembly language 1.29% -0.56%
11 12 up arrow Delphi/Object Pascal 1.26% -0.07%
12 24 up arrow MATLAB 1.11% +0.48%
13 25 up arrow Scratch 1.02% +0.43%
14 15 up arrow Go 1.00% -0.02%
15 26 up arrow Fortran 0.99% +0.44%
16 11 down arrow Classic Visual Basic 0.96% -0.36%
17 16 down arrow R 0.94% -0.04%
18 19 up arrow Ruby 0.94% +0.19%
19 10 down arrow Swift 0.93% -0.62%
20 27 up arrow Rust 0.91% +0.38%

Source : https://www.tiobe.com/tiobe-index/

List of Exercises with Solutions :

[ Want to contribute to Java exercises? Send your code (attached with a .zip file) to us at w3resource[at]yahoo[dot]com. Please avoid copyrighted materials.]

Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.



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Java: Tips of the Day

Difference between jar and war in Java

From Java Tips: Difference between ear jar and war files:

These files are simply zipped files using the java jar tool. These files are created for different purposes. Here is the description of these files:

  • .jar files: The .jar files contain libraries, resources and accessories files like property files.
  • .war files: The war file contains the web application that can be deployed on any servlet/jsp container. The .war file contains jsp, html, javascript and other files necessary for the development of web applications.

Ref: https://bit.ly/31hFDog

 





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