New developers must first download the Java Development Kit from Oracle. Installation varies by system: Windows and Mac users run a setup program, while Linux requires extracting a `.tar.gz` file and configuring the PATH environment variable. Verifying the setup with `javac --version` is a critical first step before any coding begins.

The JDK includes essential command-line tools for compiling and running programs. Mastering these commands, like `javac` and `java`, builds a foundational understanding of the Java process. While cumbersome compared to modern IDEs, this hands-on approach is invaluable for troubleshooting and grasping what happens behind the scenes in a development environment.

For a smoother workflow, integrated development environments like Eclipse, IntelliJ IDEA, and NetBeans are recommended. They offer built-in editors, debuggers, and project management. For quick experimentation, JShell provides a read-evaluate-print loop, letting you test code snippets without creating a full program, accelerating the learning curve for new Java programmers.