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via Coderanch by Craig E. Lewis, 1 year ago
java.lang.NullPointerException: 	at undefined.SimpleDotCom.checkYourself(	at undefined.SimpleDotComGame.main(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at edu.rice.cs.drjava.model.compiler.JavacCompiler.runCommand(