编辑代码

package SecondJsp;

import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;

public class LinkedListDome {
	public static void main(String[] args) {
		Student tom = new Student(1, "Tom", 87.0f);
		Student lucy = new Student(2, "Lucy", 95.0f);
		Student william = new Student(3, "William", 65.0f);
		
		Collection c = new LinkedList();
		c.add(william);
		c.add(tom);
		c.add(lucy);
		
		Object[] objs = c.toArray();
		for(int i = 0; i < objs.length; i++) {
			System.out.println(objs[i]);
		}
	}
}

class Student {
	// 学号
	private int stuld;
	private String name;
	// 成绩
	private float score;
	
	// 构造器
	public Student() {
	}
	public Student(int stuld, String name, float score) {
		this.stuld = stuld;
		this.name = name;
		this.score = score;
	}
	
	// setter and getter
	public int getStuld() {
		return stuld;
	}
	public void setStuld(int stuld) {
		this.stuld = stuld;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public float getScore() {
		return score;
	}
	public void setScore(float score) {
		this.score = score;
	}
	
	public String toString() {
		return "[学号:" + this.stuld + ",姓名:" + this.name + ",成绩:" + this.score + "]";
	}
	
}