（9）设计模式：State

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设计模式：State

package com.bjsxt.dp.state;import java.util.ArrayList;import java.util.List;public class Boy {private String name;public String getName() {return name;}public void setName(String name) {this.name = name;}public void pursue(MM mm) {}public void doSomeThing() {}}

package com.bjsxt.dp.state;public class MM {private String name;private MMState state = new MMHappyState();public String getName() {return name;}public void setName(String name) {this.name = name;}public void smile() {state.smile();}public void cry() {state.cry();}public void say() {state.say();}}

package com.bjsxt.dp.state;public abstract class MMState {public abstract void smile();public abstract void cry();public abstract void say();}

package com.bjsxt.dp.state;public class MMHappyState extends MMState{@Overridepublic void cry() {//happy}@Overridepublic void say() {//hou mummy}@Overridepublic void smile() {//:)}}

package com.bjsxt.dp.state;public class MMUnHappyState extends MMState{@Overridepublic void cry() {//unhappy}@Overridepublic void say() {//hou papa}@Overridepublic void smile() {//:(}}

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