listdemo.java

来自「自己编写的Java学习代码」· Java 代码 · 共 40 行

import java.util.*;
public class ListDemo
{
	public static void addString(){
		List list = new ArrayList();
		list.add("小明");
		list.add("小强");
		list.add("小红");
		Iterator iter = list.iterator();
		while(iter.hasNext()){
			String str = (String)iter.next();
			System.out.println(str);
		}
	}
	public static void addStudent(){
		List list = new ArrayList();
		Student s1 = new Student(1,"小明");
		Student s2 = new Student(2,"小强");
		Student s3 = new Student(3,"小红");
		list.add(s1);
		list.add(s2);
		list.add(s3);
		/*
		Iterator iter = list.iterator();
		while(iter.hasNext()){
			Student s = (Student)iter.next();
			System.out.println(s);
		}
		*/
		for(int i=0;i<list.size();i++){
			Student s = (Student)list.get(i);
			System.out.println(s);
		}
	}
	public static void main(String args[]){
		//addString();
		addStudent();

	}
}