public boolean isCalledClass(String className){
  if (toTestClasses.isEmpty())   computeInterestingClasses(graph);
  if (toTestClasses.contains(className))   return true;
  return false;
}

public boolean isCalledClass ( String className ) { if ( toTestClasses . isEmpty ( ) ) computeInterestingClasses ( graph ) ; if ( toTestClasses . contains ( className ) ) return true ; return false ; }
determine if classname can be reached from the class under test
