blocks|key|1359552|text|是的，是jshell，在此之前，与之相近的有Groovy、Clojure、Scala和Bean+Shell。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1359553|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.oracle.com/javase/9/jshell/introduction-jshell.htm#JSHEL-GUID-630F27C8-1195-4989-9F6B-2C51D46F52C8|1|http://groovy-lang.org/|2|http://clojure.org/|3|http://www.scala-lang.org/|4|http://www.beanshell.org/^0|4|6|0|M|6|1|T|7|2|11|5|3|17|A|4|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]|$A|X|B|Y|1|Z]|$A|10|B|11|1|12]|$A|13|B|14|1|15]|$A|16|B|17|1|18]]|C|$]]|$1|D|3|-4|5|6|7|19|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]|N|$5|G|H|I|C|$J|O]]|P|$5|G|H|I|C|$J|Q]]|R|$5|G|H|I|C|$J|S]]]]

Yes; <a href="https://docs.oracle.com/javase/9/jshell/introduction-jshell.htm#JSHEL-GUID-630F27C8-1195-4989-9F6B-2C51D46F52C8" rel="noreferrer">jshell</a>, and before that some close approximations are <a href="http://groovy-lang.org/" rel="noreferrer">Groovy</a>, <a href="http://clojure.org/" rel="noreferrer">Clojure</a>, <a href="http://www.scala-lang.org/" rel="noreferrer">Scala</a>, and the <a href="http://www.beanshell.org/" rel="noreferrer">Bean Shell</a>.

blocks|key|1575197|text|Java+REPL+http://www.javarepl.com/term.html|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1575198|使用intellij插件：http://plugins.jetbrains.com/plugin/7215?pr=|1575199|entityMap|0|LINK|mutability|MUTABLE|url|http://www.javarepl.com/term.html|1|http://plugins.jetbrains.com/plugin/7215?pr=^0|A|X|0|0|D|18|1|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]]|C|$]]|$1|F|3|-4|5|6|7|X|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]]]

Java REPL
<a href="http://www.javarepl.com/term.html" rel="nofollow noreferrer">http://www.javarepl.com/term.html</a>

with an intellij plugin:
<a href="http://plugins.jetbrains.com/plugin/7215?pr=" rel="nofollow noreferrer">http://plugins.jetbrains.com/plugin/7215?pr=</a>

blocks|key|1360021|text|尝试使用Dr+Java's的“交互窗格”。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1360022|entityMap|0|LINK|mutability|MUTABLE|url|http://drjava.org/^0|4|9|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Try <a href="http://drjava.org">Dr Java's</a> "Interaction Pane".

blocks|key|1360087|text|JShell现在是Java9.x的标准。JShell+introduction|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1360088|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.oracle.com/javase/9/jshell/introduction-jshell.htm^0|K|J|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

JShell is now standard in Java 9.
<a href="https://docs.oracle.com/javase/9/jshell/introduction-jshell.htm" rel="noreferrer">JShell introduction</a>

blocks|key|1574938|text|我曾经使用过的一种方法在一定程度上取得了成功，那就是在Eclipse中进行调试并使用显示视图。display视图为您提供了通过执行Java语句来操作当前在JVM中运行的代码的能力。在特定断点处可用的任何对象都在显示视图的范围内。虽然这并不是您想要的，但它确实提供了REPL为其他编程环境提供的一些特性。有关详细信息，请参阅Debugging+with+the+Eclipse+Platform。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1574939|entityMap|0|LINK|mutability|MUTABLE|url|http://www.ibm.com/developerworks/library/os-ecbug/^0|4H|Z|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

An approach that I have used to some degree of success is to debug in Eclipse and use the display view. What the display view gives you is the ability to manipulate the code currently running in the JVM through executing Java statements. Any object available at the particular break point you are stopped at is in scope within the display view. While this isn't exactly what you are looking for it does provide some of the features that a REPL provides for other programming environments. See <a href="http://www.ibm.com/developerworks/library/os-ecbug/" rel="noreferrer" title="Debugging with the Eclipse Platform">Debugging with the Eclipse Platform</a> for more information.

blocks|key|1574993|text|你也可以执行Scala交互式解释器。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1574994|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You can execute Scala interactive interpreter too.

blocks|key|1359557|text|您可能会对Groovy感兴趣。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1359558|entityMap|0|LINK|mutability|MUTABLE|url|http://groovy.codehaus.org/^0|5|6|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

You may be interested in <a href="http://groovy.codehaus.org" rel="nofollow noreferrer">Groovy</a>.

blocks|key|1359981|text|您可以使用BeanShell来运行任意Java代码。如果你想要Eclipse集成，EclipseShell有BeanShell支持。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1359982|entityMap|0|LINK|mutability|MUTABLE|url|http://www.beanshell.org/|1|http://eclipse-shell.sourceforge.net/^0|5|9|0|15|C|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

You can use <a href="http://www.beanshell.org/" rel="nofollow">BeanShell</a> to run arbitrary Java code. If you want Eclipse integration, <a href="http://eclipse-shell.sourceforge.net/" rel="nofollow">EclipseShell</a> has BeanShell support.

blocks|key|1575076|text|Jgrasp有一个交互式控制台，你可以在其中进行测试，我经常使用它，还有一个调试视图，可以在你解开它们之后显示各种变量等。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1575077|它是开放的，你可以在http://www.jgrasp.org/上获得一份副本|offset|length|1575078|//+Anders|1575079|entityMap|0|LINK|mutability|MUTABLE|url|http://www.jgrasp.org/^0|0|A|M|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@$D|R|E|S|1|T]]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

Jgrasp IDE have a interactive console where you can test in,
i use it a lot, and there is alos a debug view showing variabel etc
efter you have deklare them.

It is opensoruce and you can get a copy att
<a href="http://www.jgrasp.org/" rel="nofollow noreferrer">http://www.jgrasp.org/</a>

// Anders

blocks|key|1359612|text|我偶尔会遇到同样的问题，并且有一个部分的解决方案。我保留了一个文件(正如查理马丁所说，Java需要它的类上下文)，它只不过是一个测试程序。在第二个窗口中--一个控制台--我运行了一个脚本，它每隔一两秒检查一次源文件的修改时间。当它看到源代码更改时，它会重新编译它(我通常使用C语言，但我也用Java这样做过)并执行结果。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1359613|这不是一个很好的解决方案，但它是一个快速的一次性解决方案，我发现它非常有用。|1359614|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

I've occasionally run into the same problem and have a partial solution. I keep around a file (as Charlie Martin said, Java needs its class contexts) that is little more than a test program. In a second window - a console - I have a script that I run that just checks the modification time of the source file every second or two. When it sees the source change, it re-compiles it (I'm usually fiddling in C, but I've done this with Java, as well) and executes the result. 

It's not a great solution, but its a fast one-off and I've found it to be very useful.

I spent a lot of time programming in Java recently, and one thing I miss from scripting languages was the ability to test them in a console. 

To quickly test a java program, I have to edit a file, then turn it to bytecode and execute it. Even using an IDE, it loses its fun after the 372 th time.

I would like to know if there is a product out there that features anything like an interactive console (I bet you need a JIT compiler) and some autocompletion (with relexivity, I suppose it's possible). 

Maybe that's something very common that I just don't know about or something completely impossible, but its worst asking :-)

Is there any Python-like interactive console for Java?

最近我花了很多时间用Java编程，而我错过了脚本语言中的一件事，那就是在控制台中测试它们的能力。要快速测试java程序，我必须编辑一个文件，然后将其转换为字节码并执行它。即使使用IDE，它在第372次之后也会失去它的乐趣.我想知道是否有像交互式控制台(我打赌您需要JIT编译器)和一些自动完成(具有相关性，我认为这是可能的)的产品。也许这是我不知道的很常见的事情，或者是完全不可能的事情，但最糟糕的问

问有没有类似Python的Java交互式控制台？
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