/*** @Title: Calculation.java* @Package com.wangbiao.design.factory* @Description: TODO * @author wangbiao   * @date 2014-9-24 下午11:16:27 * @version V1.0*/
package com.wangbiao.design.factorymethod;/*** @Title: Calculation.java* @Package com.wangbiao.design.factory* @Description: TODO * @author wangbiao   * @date 2014-9-24 下午11:16:27 * @version V1.0*/
public abstract class Calculation {private double  num1;private double  num2;public double getNum1() {return num1;}public void setNum1(double num1) {this.num1 = num1;}public double getNum2() {return num2;}public void setNum2(double num2) {this.num2 = num2;}public abstract double getResult();}class AddOperation extends Calculation{@Overridepublic double getResult() {return this.getNum1() +this.getNum2();}}class SubOperation extends Calculation{@Overridepublic double getResult() {return this.getNum1()- this.getNum2();}}class MulOperation extends Calculation{@Overridepublic double getResult() {return this.getNum1() * this.getNum2();}}class DivOperation extends Calculation{@Overridepublic double getResult() {if(this.getNum2() != 0){return this.getNum1() / this.getNum2();}else{System.out.println("分母不能为零");return 0;}}}/*** @Title: IFactory.java* @Package com.wangbiao.design.factorymethod* @Description: TODO * @author wangbiao   * @date 2014-9-24 下午11:46:26 * @version V1.0*/
package com.wangbiao.design.factorymethod;/*** @Title: IFactory.java* @Package com.wangbiao.design.factorymethod* @Description: TODO * @author wangbiao   * @date 2014-9-24 下午11:46:26 * @version V1.0*/
public interface IFactory {public Calculation creatOperation();
}class AddFactory implements IFactory{@Overridepublic Calculation creatOperation() {return new AddOperation();}
}class SubFactory implements IFactory{@Overridepublic Calculation creatOperation() {return new SubOperation();}
}class MulFactory implements IFactory{@Overridepublic Calculation creatOperation() {return new MulOperation();}
}class DivFactory implements IFactory{@Overridepublic Calculation creatOperation() {return new DivOperation();}
}/*** @Title: Client.java* @Package com.wangbiao.design.factorymethod* @Description: TODO * @author wangbiao   * @date 2014-9-24 下午11:44:30 * @version V1.0*/
package com.wangbiao.design.factorymethod;/*** @Title: Client.java* @Package com.wangbiao.design.factorymethod* @Description: TODO * @author wangbiao   * @date 2014-9-24 下午11:44:30 * @version V1.0*/
public class Client {/*** @param args*/public static void main(String[] args) {// TODO Auto-generated method stubIFactory factory = new AddFactory();Calculation cal = factory.creatOperation();cal.setNum1(1);cal.setNum2(2);System.out.println(cal.getResult());}}