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java - How to change from -source 1.6 to -source 7 in IntelliJ IDEA

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java - How to change from -source 1.6 to -source 7 in IntelliJ IDEA

I' trying to build a in IntelliJ IDEA project that is not mine and I got the following error:

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

How do I change this setting in IntelliJ IDEA?

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Ctrl+Alt+Shift+S (Project Structure icon)

Then change Project language level


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
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