是否可以在使用Java 9的Eclipse IDE中使用没有class和main方法的sysout？ [英] Is it possible to use sysout without class and main method in Eclipse IDE using Java 9?

问题描述

由于Java 9引入了JShell的概念，它使我们能够在不创建类和方法的情况下编写代码，是否可以在eclipse中使用Java 9的这个特性？

解决方案

您可以使用

或者，您可以使用

As Java 9 introduced the concept of JShell which enables us to write code without creating a class and a method, is it possible to use this feature of Java 9 in eclipse ?

解决方案

You can use the TM Terminal to run JShell in Eclipse:

• If necessary, install TM Terminal (contained only in some Eclipse packages)
• Open a 'Terminal' view in Eclipse: Window > Show View > Other...: Terminal > Terminal
• Launch a new Local Terminal
• Run JShell, e. g. on Windows type "C:\Program Files\Java\jdk-9\bin\jshell" -v followed by Enter

Alternatively, you can use a Scrapbook Page, a built-in feature of the Eclipse Java IDE and which also works with older Java versions. You will have code completion and you can use Java classes of your project:

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