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2. Write once, run anywhere - Wikipedia

   en.wikipedia.org/wiki/Write_once,_run_anywhere

   Write once, run anywhere. Write once, run anywhere ( WORA ), or sometimes Write once, run everywhere ( WORE ), was a 1995 [ 1] slogan created by Sun Microsystems to illustrate the cross-platform benefits of the Java language. [ 2][ 3] Ideally, this meant that a Java program could be developed on any device, compiled into standard bytecode, and ...

3. "Hello, World!" program - Wikipedia

   en.wikipedia.org/wiki/"Hello,_World!"_program

   A "Hello, World!" program is generally a simple computer program which emits (or displays) to the screen (often the console) a message similar to "Hello, World!" while ignoring any user input. A small piece of code in most general-purpose programming languages, this program is used to illustrate a language's basic syntax.

4. Codecademy - Wikipedia

   en.wikipedia.org/wiki/Codecademy

   Codecademy offers courses covering languages such as Python, JavaScript, HTML/CSS, and Ruby, as well as specialized topics like web development, data science, and machine learning. The platform offers both free and paid subscription options. A paid subscription provides access to additional features and content.

5. Replit - Wikipedia

   en.wikipedia.org/wiki/Replit

   Replit allows for the pulling of code from a GitHub repository and linking Repls to GitHub repositories. [23] Some Repls also have debugger and unit testing support. Replit uses the Debugger Adapter Protocol to provide debugging services in Java , Python , Node.js , and C++ for all users connected to a Repl. [ 24 ] Replit has zero-setup unit ...

6. Java (programming language) - Wikipedia

   en.wikipedia.org/wiki/Java_(programming_language)

   Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers write once, run anywhere (), [16] meaning that compiled Java code can run on all platforms that support Java without the need to recompile. [17]

7. List of Java bytecode instructions - Wikipedia

   en.wikipedia.org/wiki/List_of_Java_bytecode...

   This is a list of the instructions that make up the Java bytecode, an abstract machine language that is ultimately executed by the Java virtual machine. [ 1] The Java bytecode is generated from languages running on the Java Platform, most notably the Java programming language . Note that any referenced "value" refers to a 32-bit int as per the ...

8. Test-driven development - Wikipedia

   en.wikipedia.org/wiki/Test-driven_development

   v. t. e. Test-driven development ( TDD) is a way of writing code that involves writing an automated unit-level test case that fails, then writing just enough code to make the test pass, then refactoring both the test code and the production code, then repeating with another new test case. Alternative approaches to writing automated tests is to ...

9. Java bytecode - Wikipedia

   en.wikipedia.org/wiki/Java_bytecode

   Java bytecode is used at runtime either interpreted by a JVM or compiled to machine code via just-in-time (JIT) compilation and run as a native application. As Java bytecode is designed for a cross-platform compatibility and security, a Java bytecode application tends to run consistently across various hardware and software configurations.