设计模式作业一源代码(江苏大学版本)

《设计模式》作业一、计数器简单工厂实现加减乘除public class AddOperator implements Operator{ @Overridepublic double calculate(double a, double b){// TODO Auto-generated method stubreturn a + b;}}public class DivOperator implements Operator{ @Overridepublic double calculate(double a, double b){// TODO Auto-generated method stubreturn a / b;}}public class MulOperator implements Operator{ @Overridepublic double calculate(double a, double b){// TODO Auto-generated method stubreturn a * b;}}public class SubOperator implements Operator{ @Overridepublic double calculate(double a, double b){// TODO Auto-generated method stubreturn a - b;}}public class CalculateOperator{public static Operator createOperate (String operator){Operator opr = null;if(operator.equals("+"))opr = new AddOperator();else if(operator.equals("-"))opr = new SubOperator();else if(operator.equals("*"))opr = new MulOperator();else if(operator.equals("/"))opr = new DivOperator();returnopr;}}public interface Operator{double calculate (double a, double b);}importjava.util.Scanner;public class Test{public static void main(String[] args){Scanner sc = new Scanner(System.in);System.out.println("请输入你要进行的运算符号：");String a = sc.nextLine();System.out.println("输入数字1");double b = sc.nextDouble();System.out.println("输入数字2");double c = sc.nextDouble();System.out.println("结果为：" + CalculateOperator.createOperate(a).calculate(b, c));}}一、计数器工厂模式实现加减乘除public class Operation {protected double a;protected double b;public double getA() {return a;}public void setA(double a) {this.a = a;}public double getB() {return b;}public void setB(double b) {this.b = b;}public double getResult(){return 0;}}public class OperationAdd extends Operation { public double getResult(){returna+b ;}}public class OperationSub extends Operation { public double getResult(){return a-b ;}}public class OperationMul extends Operation { public double getResult(){return a*b ;}}public class OperationDiv extends Operation { public double getResult(){return a/b ;}}public interface OperationFactory{public OperationcreateOperation();}public class AddOperationFactory implements OperationFactory{ public Operation createOpetation(){return new OperationAdd();}}public class SubOperationFactory implements OperationFactory{ public Operation createOpetation(){return new OperationSub();}}public class MulOperationFactory implements OperationFactory{ public Operation createOpetation(){return new OperationMul();}}public class DivOperationFactory implements OperationFactory{ public Operation createOpetation(){return new OperationDiv();}}public class SimpleFactoryMain {public static void main(String[] args) {doublea,b;String c;Scanner d=new Scanner(System.in);a=d.nextInt();c=d.next();b=d.nextDouble();OperationFactory factory=new AddOperationFactory();Operation operation = factory.createOperation();operation.setA(a);operation.setB(b);System.out.println(operation.getResult());}}二、计数器工厂模式实现十进制、二进制的加减乘除public class Operation {protected String a;protected String b;public String getA() {return a;}public void setA(String a) {this.a = a;}public String getB() {return b;}public void setB(String b) {this.b = b;}public String getResult(){return 0;}}public class DecOperationAdd extends Operation {public String getResult(){double A=Double.parseDouble(a);double B=Double.parseDouble(b);returnString.valueof(A+B) ;}}public class DecOperationSub extends Operation {public String getResult(){double A=Double.parseDouble(a);double B=Double.parseDouble(b);returnString.valueof(A-B);}}public class DecOperationMul extends Operation {public String getResult(){double A=Double.parseDouble(a);double B=Double.parseDouble(b);returnString.valueof(A*B) ;}}public class DecOperationDiv extends Operation {public String getResult(){double A=Double.parseDouble(a);double B=Double.parseDouble(b);returnString.valueof(A/B) ;}}public class BinaryOperationAdd extends Operation { public String getResult(){int x1=a.length;int x2=b.length;int p=0,t=0,m=0,i=0;String c=new String();String d=new String();String r=new String();for(inti=0;i<x1;i++)c.setCharAt(i,a.charAt(x1-i-1));for(inti=0;i<x2;i++)d.setCharAt(i,b.charAt(x1-i-1));if(x1>=x2){p=x1;for(i=x2;i<x1;i++)d.setCharAt(i,'0');}else{p=x2;for(i=x1;i<x2;i++)c.setCharAt(i,'0');}for(i=0;i<p;i++){r.setCharAt(i,'0');t=(c.charAt(i)-'0')+(d.charAt(i)-'0')+m;//m为进位if(t==2){r.setCharAt(i,'0');m=1;}else if(t==3){r.setCharAt(i,'1');m=1;}else{r.setCharAt(i,t+'0');m=0;}}if(m==1)//判断最后是否要进1{r.setCharAt(p,'1');for(i=0;i<p;i++)c.setCharAt(i,a.charAt(p-i-1));}else{for(i=0;i<p;i++)c.setCharAt(i,a.charAt(p-i-1));}}}public class BinaryOperationSub extends Operation {public String getResult(){}}public class BinaryOperationDiv extends Operation {public String getResult(){}}public class BinaryOperationMul extends Operation {public String getResult(){}}public interface OperationFactory{public OperationcreateOperation();}public class DecOperationFactory implements OperationFactory{ public static Operation CreatDecOperation(char c){Operation oper = nullswitch(c){case '+':oper=new DecOperationAdd();case '-':oper=new DecOperationSub();case '*':oper=new DecOperationMul();case '/':oper=new DecOperationDiv();}returnoper;}}public class BinaryOperationFactory implements OperationFactory{public static Operation CreatDecOperation(char c){Operation oper = nullswitch(c){case '+':oper=new BinaryOperationAdd();case '-':oper=new BinaryOperationSub();case '*':oper=new BinaryOperationMul();case '/':oper=new BinaryOperationDiv();}returnoper;}}public class SimpleFactoryMain {public static void main(String[] args) {doublea,b;String c;Scanner s=new Scanner(System.in);a=s.nextDouble();c=s.next();b=s.nextDouble();d=c.charAt(0);OperationFactory factory=new DecOperationFactory();Operation operation = factory.createOperation(d);operation.setA(a);operation.setB(b);System.out.println(operation.getResult());}}三、计数器抽象工厂实现十进制、二进制的加减乘除public class operand<T>{protected T a;protected T b;public T getA() {return a;}public void setA(T a) {this.a = a;}public T getB() {return b;}public void setB(T b) {this.b = b;}}public class Decoperand extends operand<double>{}public class binaryoperand extends operand<String>{} public class operator<T>{public T getResult(T a, T b,char c){ }}public class DecoperatorAdd extends operator<double>{ public double getResult(double a, double b){ returna+b; }}public class DecoperatorSub extends operator<double>{ public double getResult(double a, double b){ return a-b; }}public class DecoperatorMul extends operator<double>{ public double getResult(double a, double b){ return a*b; }}public class DecoperatorDiv extends operator<double>{ public double getResult(double a, double b){ return a/b; }}public class binaryoperatorAdd extends operator<String>{ public String getResult(String a, String b){String c=new String();String d=new String();String e=new String();int k1=a.length;int k2=b.length;int p=0,t=0,m=0,i=0;for(inti=0;i<k1;i++)c.setCharAt(i,a.charAt(k1-i-1));for(inti=0;i<k2;i++)d.setCharAt(i,b.charAt(k1-i-1));if(k1>=k2){p=k1;for(i=k2;i<k1;i++)d.setCharAt(i,'0');}else{p=k2;for(i=k1;i<k2;i++)c.setCharAt(i,'0');}for(i=0;i<p;i++){e.setCharAt(i,'0');t=(c.charAt(i)-'0')+(d.charAt(i)-'0')+m;//m为进位if(t==2){e.setCharAt(i,'0');m=1;}else if(t==3){e.setCharAt(i,'1');m=1;}else{e.setCharAt(i,t+'0');m=0;}}if(m==1)//判断最后是否要进1{e.setCharAt(p,'1');for(i=0;i<p;i++)c.setCharAt(i,a.charAt(p-i-1));}else{for(i=0;i<p;i++)c.setCharAt(i,a.charAt(p-i-1));}}}public class binaryoperatorSub extends operator<String>{ public String getResult(String a, String b) {}}public class binaryoperatorMul extends operator<String>{ public String getResult(String a, String b){}}public class binaryoperatorDiv extends operator<String>{ public String getResult(String a, String b){}}public interface Factory{public operand createOperand();public operator createOperand();}public class DecFactory implements Factory{public operand createOperand(){return new Decoperand();}public operator createOperand(char c){Operator oper = nullswitch(c){case '+':oper=new DecOperatorAdd();case '-':oper=new DecOperatorSub();case '*':oper=new DecOperatorMul();case '/':oper=new DecOperatorDiv();}returnoper;}}public class binaryFactory implements Factory{public operand createOperand(){return new binaryoperand();}public operator createOperand(char c){Operator oper = nullswitch(c){case '+':oper=new BinaryOperatorAdd();case '-':oper=new BinaryOperatorSub();case '*':oper=new BinaryOperatorMul();case '/':oper=new BinaryOperatorDiv();}returnoper;}}public class SimpleFactoryMain {public static void main(String[] args) {Factory factory=new binaryFactory();operand operand1 = factory.createOperand();operator operator1=factory.createOperator('+');operand.setA("1111");operand.setB("1111");System.out.println(operator.getResult(operand.getA,operand.ge tB));}}四、简单工厂实现后花园，添加葡萄、草莓、苹果public interface Fruit{void show();}public class Grape implements Fruit{void show(){System.ou.println("葡萄")}}public class Strawberry implements Fruit{void show(){System.ou.println("草莓")}}public class Apple implements Fruit{void show(){System.ou.println("苹果")}}public interface Garden{public Fruit createFruit();}public class GrapeGarden implements Garden{ public Fruit createFruit(){return new Grape();}}public class StrawberryGarden implements Garden{ public Fruit createFruit(){return new Strawberry();}}public class AppleGarden implements Garden{ public Fruit createFruit(){return new Apple();}}public class factorymain{public static void main(String[] args){Garden garden=new AppleGarden();Fruit ft=garden.creatFruit()}五、抽象工厂实现北方，南方花园种花和水果public interface Fruit{void show();}public class southFruit implements Fruit{void show(){System.ou.println("南方的水果")}}public class northFruit implements Fruit{void show(){System.ou.println("北方的水果")}}public interface Flower{void show();}public class southFlower implements Flower{void show(){System.ou.println("南方的花")}}public class northFlower implements Flower{void show(){System.ou.println("北方的花")}}public interface Garden{public Fruit createFruit();public Flower createFlower();}public class northGarden implements Garden{public Fruit createFruit(){return new northFruit();}public Flower createFlower(){return new northFlower();}}public class southGarden implements Garden{ public Fruit createFruit(){return new southFruit();}public Flower createFlower(){return new southFlower();}}public class factorymain{public static void main(String[] args){Garden garden=new southGarden();Fruit ft=garden.creatFruit();Flower fl=garden.creatFlower();ft.show();fl.show();}。