pojo_listdemo.java

来自「学了2个月java 练习用~ 可以看下 希望同意」· Java 代码 · 共 38 行

import java.util.*;

public class Pojo_ListDemo implements IPojo_ListDemo {
	List test=new ArrayList();

	public Object toBePojo(String type, String name, int age, boolean gender, Address address, int num){
		if(type.equalsIgnoreCase("student")){
			Student a=new Student(num,name,age,gender,address);
			return a;
		}
		if(type.equalsIgnoreCase("employee")){
			Employee a=new Employee(name,age,gender);
			a.setCno(Integer.toString(num));
			return a;
		}
		return null;
	}
	//把对象放进去用equals判断是哪种  就返回哪种的对象
	//"Student","zha san",23,false,address,1236
	//"Employee","zhang san",25,false,address,1234
	public void addToCollection(Object o){
		if(o instanceof Person){
			test.add(o);
		}
	}
	//判断是否是person中的对象 是的就加入
	public void printCollection(){
		Iterator iter=test.iterator();
		while(iter.hasNext()){
			printPojo(iter.next());
		}
	}
	//通过迭代器 调用printPojo方法 遍历集合
	public void printPojo(Object o){
		((Person)o).print();
	}
	//调用传入对象的print方法打印对象
}