exercise1 .........\OneState.class .........\OneState.java .........\operator.class .........\operator.java .........\Rules.class .........\Rules.java .........\SqQueue.class .........\SqQueue.java .........\SqStack.class .........\SqStack.java .........\State.class .........\Test0.class .........\Test0.java .........\Test1.class .........\Test1.java .........\Test2.class .........\Test2.java