UsageofAPIdocumentedas@since1.8+
Usage of API documented as @since 1.8+
this may useful when development is performed under newer sdk version as the target platform for production
pom.xml中的配置是:
<plugin> <artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
方法一:打开Project Structure,选中侧边栏的Modules,在Sources窗口中修改Language Level(必须大于等于报错信息给出的level)
方法二:修改pom.xml为
<plugin> <artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>11</source>
<target>11</target>
</configuration>
</plugin>
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