Run error resolution in ideaj - please use -source 8 or higher to enable the default method

Others 2022-04-22 12:41:58 views: 0

Running error in ideaj

When a file is run, the entire project is checked

Error content:

Error:(9, 9) java: default method not supported in -source 1.7, (please use -source 8 or higher to enable default method)

Solution:

The language level set in file->project structure is 7

Change language version to 7->8

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Run error resolution in ideaj - please use -source 8 or higher to enable the default method

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