Setting the Compiler Version for Maven from the Command Line

By default maven sets the compiler version for you.  Of course, you can always set it in the pom, but there are cases where you cannot modify the pom, and/or you might want to test compilation and tests with different versions of java.

Following are the specific arguments to pass the compiler version to maven from the command line:

$ mvn clean install -Dmaven.compiler.source=1.7 -Dmaven.compiler.target=1.7

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