Source: commons.wikimedia.org

Java is a high-level, general-purpose, memory-safe, object-oriented programming language. It is intended to let programmers write once, run anywhere (WORA), meaning that compiled Java code can run on all platforms that support Java without the need to recompile. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture. The syntax of Java is similar to C and C++, but has fewer low-level facilities than either of them. The Java runtime provides dynamic capabilities that are typically not available in traditional compiled languages. Wikipedia

Created Year: 1995
Designed by: James Gosling • Sun Microsystems
Developed by: James Gosling • Oracle • Sun Microsystems
Named after: Java coffee
Aliases: java programming language
File extensions: class, jad, jar, java, jmod

Wikidata: Q251

Influenced: ActionScript • Ada • Apache Groovy • Ateji PX • Ballerina • BeanShell • Ceylon • Chapel • Common Intermediate Language • C# • D • Dart • Deesel • Dragon • E • Frege • Gambas • Gosu • Gremlin • Hack • Haxe • JavaFX Script • JavaScript • Join Java • JS++ • Karel++ • Kotlin • Mirah • Monkey X • OptimJ • PHP • Pnuts • Processing • Python • Qore • Scala • Seed7 • Swift • Tea • TypeScript • Vala • Whiley • X++ • X10

Influenced by: Ada • C • C++ • C# • Eiffel • Mesa • Modula-3 • Oberon • Object Pascal • Objective-C • Simula • Smalltalk • UCSD Pascal

Programming paradigms: class-based programming • component-based software engineering • concurrent object-oriented programming • functional programming • generic programming • imperative programming • object-oriented programming • reflective programming • structured programming

Language types: JVM language • multi-paradigm programming language

Programming Language Influence Poster

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Java Influence Network

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Hello World in Java

public class Java {
	public static void main(String[] args) {
		System.out.println("Hello World");
	}
}
Source: github.com/leachim6/hello-world

Free Java books, articles, documentation

Codename One

Java Reporting

Spring

Spring Boot

Spring Data

Spring Security

Wicket

Source: github.com/EbookFoundation/free-programming-books

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Latest data update: 2025-06-21