IntelliJ IDEA没有Java 10'var'的代码完成？ [英] IntelliJ IDEA no code completion for Java 10 'var'?

问题描述

最近我安装了IntelliJ IDEA的新版本（2018.1），它增加了对Java 10的支持。

但是当我尝试使用 var （对于局部变量类型推断），我发现代码完成列表中没有 var 。 （见下面的截图）

如果我继续输入，它将应用 VarHandle 作为该列表中的第一个建议。然后我必须撤消该完成以恢复 var 。

我检查了项目设置，我使用的是JDK 10，语言级别也设置为10.代码如 var number = 1; 汇编得很好。我在IDE设置中找不到任何相关内容。

我做错了什么？我只想在不中断的情况下使用 var 声明。

解决方案

正如@Vic指出的那样，

Recently I installed the new version (2018.1) of IntelliJ IDEA, which added support for Java 10.

But when I trying to use the var (for local variable type inference), I found there was no var in the code completion list. (See the screenshot below)

If I continue typing, it will apply VarHandle as the first suggestion in that list. Then I have to undo that completion to restore var.

I have checked project settings, I use JDK 10 and the language level is also set to 10. Code like var number = 1; compiles well. And I couldn't find anything about this in IDE settings.

What am I doing wrong? I just want to use var declaration without interruption.

解决方案

As @Vic pointed out, this appears to be a bug. Until it gets fixed, you can create a custom live template as a workaround.

Create a live template triggered by the var abbreviation, then enter var as the template text. Make it available in the Java statement context.

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