简单工厂模式java
[实验任务一]:女娲造人
使用简单工厂模式模拟女娲(Nvwa)造人(Person),如果传入参数M,则返回一个Man对象,如果传入参数W,则返回一个Woman对象,如果传入参数R,则返回一个Robot对象。请用程序设计实现上述场景。
所有文件按照图中顺序
package test2;
public class Man implements Person{
public Man() {
}
public void make(){
System.out.print("生产男人");
}
}
package test2;
public class Nvwa {
public Nvwa() {
}
public static Person Personjudge(String arg ) {
//判断参数,再选择调用哪个类
if(arg.equalsIgnoreCase("M"))
{
return new Man();
}else if(arg.equalsIgnoreCase("W"))
{
return new Woman();
}else if(arg.equalsIgnoreCase("R"))
{
return new Robot();
}else
{
return null;
}
}
}
package test2;
public interface Person {
public void make();
}
package test2;
public class Robot implements Person{
public Robot() {
}
public void make(){
System.out.print("生产机器人");
}
}
package test2;
import java.util.Scanner;
public class test {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner scan = new Scanner(System.in);
System.out.print("请输入参数:");
String s = scan.nextLine();
try{
Person p = Nvwa.Personjudge(s);
p.make();
}catch(Exception e){
System.out.println(e.getMessage());
}
scan.close();
}
}
//run此文件
package test2;
public class Woman implements Person {
public Woman() {
}
public void make() {
System.out.print("生产女人");
}
}