Use Jshell

原文链接

A REPL is a simple, interactive programming environment that takes user input (Read), executes the user command (Evaluate), returns the result to the user (Print) and waits for the next user input (Loop). REPL

var部分的使用

一部分的自动补全

jshell> /imports
|    import java.io.*
|    import java.math.*
|    import java.net.*
|    import java.nio.file.*
|    import java.util.*
|    import java.util.concurrent.*
|    import java.util.function.*
|    import java.util.prefs.*
|    import java.util.regex.*
|    import java.util.stream.*

jshell> /vars
        |    String message = "medium"
        |    list $2 = (not-active)
..

jshell> /methods
        |    double volume(double)
        |    double cube(double)

jshell> /types
        |    class User

jshell> /imports
        |    import java.io.*
        |    import java.math.*
..