在intellij導入git項目之后出現 diamond types are not supported at this language level錯誤 或者String等報錯
File->Project Structure->Project之后選擇Project language level為高版本即可
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Diamond types are not supported at language level '5‘
Diamond types are not supported at language level '5'
idea報錯Diamond types are not supported at this language level
Idea中JDK為1.8，還提示Diamond types are not supported at this language level
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解決Lambda報錯—Lambda expressions are not supported at language level '5'（語言級別“5”不支持Lambda表達式）
phpstorm 不能選擇 php language level