Language level is invalid or missing in pom.xml. Current project JDK is 11. Specify language level in dl4jdemo
时间: 2024-03-26 11:39:56 浏览: 44
To specify the language level in a Maven project, you need to add the following configuration to the pom.xml file:
```
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>11</source> <!-- specify your JDK version here -->
<target>11</target> <!-- specify your JDK version here -->
</configuration>
</plugin>
</plugins>
</build>
```
Make sure to replace the version number with the appropriate version of the Maven compiler plugin, and specify your JDK version in the `<source>` and `<target>` elements.
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