'Error: java: Invalid source distributions: 9' solutions to [Reserved]

IntelliJ IDEA Java compiler appears 'Error: java: Invalid source distributions: 9' solutions to [Reserved] 

Newly installed IntelliJ IDEA 2018.1 compiler, create a Java Project, the installed JDK Eclipse and select the previously configured, as shown:

Add in the project Main.class, main function, write simple code, and then run, an error occurs as shown:

Through an online search solutions, ultimately summed up the reasons:
Open 'File-> Project Structure'

Select Modules -> Sources, Language level into the other, for example, in the present embodiment into 8

If still unsuccessful, the sign continues to page selection Project Structure Project, and Project language level is modified to 8, as shown:

Then you can run the program a success

 

Reprinted address: https: //www.cnblogs.com/dongling/p/8670852.html

Newly installed IntelliJ IDEA 2018.1 compiler, create a Java Project, the installed JDK Eclipse and select the previously configured, as shown:

Add in the project Main.class, main function, write simple code, and then run, an error occurs as shown:

Through an online search solutions, ultimately summed up the reasons:
Open 'File-> Project Structure'

Select Modules -> Sources, Language level into the other, for example, in the present embodiment into 8

If still unsuccessful, the sign continues to page selection Project Structure Project, and Project language level is modified to 8, as shown:

Then you can run the program a success

 

Reprinted address: https: //www.cnblogs.com/dongling/p/8670852.html

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Origin www.cnblogs.com/thinkAboutMore/p/12110201.html