Exception in thread "main" java.lang.NoClassDefFoundError: TestGraph
   at 0x40268e17: java.lang.Throwable.Throwable(java.lang.String) (/usr/lib/./libgcj.so.3)
   at 0x4025bc8e: java.lang.Error.Error(java.lang.String) (/usr/lib/./libgcj.so.3)
   at 0x4025d6b6: java.lang.LinkageError.LinkageError(java.lang.String) (/usr/lib/./libgcj.so.3)
   at 0x4025eb36: java.lang.NoClassDefFoundError.NoClassDefFoundError(java.lang.String) (/usr/lib/./libgcj.so.3)
   at 0x402ad075: gnu.gcj.runtime.FirstThread.run() (/usr/lib/./libgcj.so.3)
   at 0x4024fc4c: _Jv_ThreadRun(java.lang.Thread) (/usr/lib/./libgcj.so.3)
   at 0x4021c8ac: _Jv_RunMain(java.lang.Class, byte const, int, byte const, boolean) (/usr/lib/./libgcj.so.3)
   at 0x08048910: ?? (??:0)
   at 0x42015574: __libc_start_main (/lib/tls/libc.so.6)
   at 0x080486c1: ?? (??:0)