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public interface state {public void fire();}
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public class normalstate implements state {public void fire() {system.out.println("ÆÕͨ״̬ÿÃ뿪ǹ1´Î¡£");}}public class excitedstate implements state {public void fire() {system.out.println("ÐË·Ü״̬ÿÃ뿪ǹ2´Î¡£");}}
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