JREPL.BAT

JREPL.BAT

JREPL.BAT is a simple Java REPL (Read Evaluate Print Loop) program. It allows running Java code interactively from the Windows command prompt.
JREPL.BAT image
java repl interactive command-line

JREPL.BAT

A simple Java REPL (Read Evaluate Print Loop) program for interactive Java coding from the Windows command prompt, allowing developers to run and test Java code in real-time.

What is JREPL.BAT?

JREPL.BAT is a simple Java REPL (Read Evaluate Print Loop) program for Windows. It provides an interactive command-line interface to run Java code without needing to write complete Java classes or a main method.

To use JREPL.BAT, you simply launch it from the Windows command prompt. It will start the Java runtime and present you with a prompt where you can type in Java statements and expressions. Anything you enter will be evaluated in real-time and the results printed back to the console.

This allows testing Java snippets quickly without going through the compile-run cycle. It can be handy for trying out Java APIs, prototyping code, testing regular expressions, and experimenting with Java in an interactive manner.

As it runs on the Windows prompt, JREPL.BAT has limited capabilities compared to more full-featured REPLs and IDEs. But its simplicity makes it very easy to get started for basic Java experimentation.

JREPL.BAT Features

Features

  1. Provides a REPL (read-evaluate-print loop) for Java
  2. Allows running Java code interactively from the Windows command prompt
  3. Supports basic Java statements, expressions, and declarations
  4. Auto-imports java.lang package
  5. Supports TAB autocompletion for classes and static members
  6. Persistent command history stored in jrepl_history.txt file
  7. Customizable by creating jrepl.properties file

Pricing

  • Free
  • Open Source

Pros

Lightweight and easy to use

No setup required

Good for testing snippets of Java code quickly

Handy for learning Java interactively

Cons

Limited features compared to full Java IDEs

Windows only

No debugging or variable inspection

Minimal error handling

History not preserved between sessions


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