A relevant condition stub is a condition stub that cannot be removed safely. If you remove it, your decision table will not be complete.
When we say a condition stub is irrelevant, it means that the decision rules won't change if we remove this condition stub from the decision table.
/**
*@author: Yan Tang, VUB, 2009
*/
Vector<DecisionRule> rules = makeExample();
IrrelevantConditionStubRemover remover = new IrrelevantConditionStubRemover(
rules);
String[] res = remover.getRelevantConditionStubs();
StringArray array = new StringArray(res);
array.printArrayToConsole();