w3resource

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, Oct 2021 compared to a year ago:

`
Rank Change Language Share Trend
1 Python 29.66 % -2.1 %
2 Java 17.18 % +0.8 %
3 Javascript 8.81 % +0.4 %
4 C# 7.3 % +1.1%
5 C/C++ 6.48 % +0.7 %
6 PHP 5.92 % +0.1 %
7 R 4.09 % +0.2 %
8 Objective-C 2.24 % -1.2 %
9 up arrow TypeScript 1.91 % +0.1 %
10 up arrow Kotlin 1.9 % +0.3 %
11 down arrow Swift1.86% -0.6 %
12 down arrow Matlab 1.58 % -0.2 %
13   Go 1.49 % +0.1 %
14 VBA 1.33 % +0.1 %
15 Ruby 1.09 % -0.0 %
16 Rust 1.08 % -0.0 %
17 up arrow Ada 0.92 % +0.3 %
18 Visual Basic 0.75 % +0.1 %
19 down arrow Scala 0.73 % -0.1 %
20 up arrow Abap 0.63 % +0.2 %
21 down arrow Dart 0.6 % +0.0%
22 down arrow Lua 0.54 % -0.0 %
23 up arrow Julia 0.48 % +0.1 %
24 up arrow Groovy 0.47 % +0.1 %
25 down arrow Cobol 0.4 % -0.0 %
26 down arrow Perl 0.37 % -0.1 %
27 up arrow Delphi/Pascal 0.2 % -0.0 %
28 down arrow Haskell 0.0 % -0.3 %

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

TIOBE Index for October 2021

Oct 2021 Oct 2020 Change Programming Language Ratings Change
1 3 up arrow Python 11.27% -0.00%
2 1 down arrow C 11.16% -5.79%
3 2 down arrow Java 10.46% -2.11%
4 4 C++ 7.50% +0.57%
5 5 C# 5.26% +1.10%
6 6 Visual Basic 5.24% +1.27%
7 7 JavaScript 2.19% +0.05%
8 10 up arrow SQL 2.17% +0.61%
9 8 down arrow PHP 2.10% +0.01%
10 17 up arrow Assembly language 2.06% +0.99%
11 19 up arrow Classic Visual Basic 1.83% +1.06%
12 14 up arrow Go 1.28% +0.13%
13 15 up arrow MATLAB 1.20% +0.08%
14 9 down arrow R 1.20% -0.79%
15 12 down arrow Groovy 1.18% -0.05%
16 13 down arrow Ruby 1.12% -0.05%
17 16 down arrow Swift 1.11% +0.02%
18 37 up arrow Fortan 1.08% +0.70%
19 11 down arrow Perl 0.93% -0.49%
20 22 up arrow Delphi/Object Pascal 0.93% +0.22%

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.



Java: Tips of the Day

Initializes an array containing the numbers in the specified range where start and end are inclusive:

public static int[] initializeArrayWithRange(int end, int start) {
    return IntStream.rangeClosed(start, end).toArray();
}

Ref: https://bit.ly/3ufl35m