Once you’re finished, you’ll be able to write and run basic Java code. By creating a “Hello, World” program, you’ll start learning Java’s basic syntax as well as the compilation and execution process of a Java program. It’s a complete first program for beginners, and it’s a good way to make sure your environment is properly configured. The “Hello, World!” program is a classic and time-honored tradition in computer programming. In this tutorial, you’ll create a “Hello, World!” program in Java. If you’re used to languages such as PHP and Python, which allow source code to be executed directly, then compiling the code first will be a new step in the development process. For developers, this means that you have to compile its source code before you can run it. Java achieves high performance because it executes compiled (that is, machine-optimized) code. One of its unique benefits is that it is cross-platform: once you create a Java program, you can run it on many operating systems, including servers (Linux/Unix), desktop (Windows, macOS, Linux), and mobile operating systems (Android, iOS). Java is a mature and well-designed programming language with a wide range of uses, from being studied in class to running commercial applications of any size. The author selected the Free and Open Source Fund to receive a donation as part of the Write for DOnations program.
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