在idea ide中获得菱形运算符的编译错误 [英] getting compile error for diamond operator in idea ide

问题描述

尝试在idea ide中编译一些简单的源代码时遇到此错误.

I am getting this error while trying to compile some simple source code in idea ide.

java: diamond operator is not supported in -source 1.6 (use -source 7 or higher to enable diamond operator)

jdk 是来自 oracle 的 1.7.40

jdk is 1.7.40 from oracle

但是这个地方在哪里添加这个-source 7"选项?

but where is this place to add this "-source 7" option?

我尝试添加 ide 设置，但没有效果.

i tried adding in ide settings but that had no effect.

推荐答案

您需要设置项目语言级别(所有模块默认)和模块语言级别

You need to set the project language level (default for all modules) and the module(s) language level

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