使用 Java REPL

chapter1_basics$ java -jar javarepl-428.jar

Welcome to JavaREPL version 428 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_40)

Type expression to evaluate, :help for more options or press tab to auto-complete.

Connected to local instance at http://localhost:49659

java> System.out.println("Hello,World")

Hello,World

java> System.out.println("Hello,World"+new Date())

Hello,WorldTue Aug 01 10:08:21 CST 2017

java> System.out.println("Hello,World! "+new Date())

Hello,World! Tue Aug 01 10:08:29 CST 2017

java> 1+1

java.lang.Integer res0 = 2

java>

下载地址：

​​https://github.com/albertlatacz/java-repl/releases​​

Java REPL

Java REPL is a simple Read-Eval-Print-Loop for Java language.

• Support for most of Java language constructs
• Access from console as well as web terminal via browser
• Create imports, methods, classes, enums and interfaces
• Load classes from any jar file or directory (including web urls)
• Load and evaluate expression from file
• List previous results, imports, created types and methods
• Show history of evaluations
• Search and evaluate expression from history
• Clear and replay previous evaluations
• Load and evaluate any Java source file
• Basic code completion for results, classes and methods
• Coloured output for console and web terminal

Web version is available at ​​www.javarepl.com​​.

Build

Building Java REPL requires the ​​gradle​​.

After cloning the git repository, navigate over to it and run:

$ gradle shadowJar

After this completes, the jar completed with bundled dependencies will be located at build/libs/javarepl-dev.jar

Type the following to run

$ java -jar build/libs/javarepl-dev.jar

Releases

Releases are automatically released to

. Configure repository and then add Java REPL as dependency:

com.javarepl

javarepl

SOME_VERSION

Usage

To run Java REPL you need to install Java Development Kit (JDK). Download it from ​​here​​​ and follow install instructions. Once JDK is installed and configured, download latest Java REPL release from ​​GitHub​​​ or ​​Bintray​​ then run:

$ java -jar javarepl-SOME_VERSION.jar

If this doesn't work try to run pointing directly to java executable within JDK, like so

$ /bin/java -jar javarepl-SOME_VERSION.jar

License

Distributed under the ​​Apache 2.0​​