ArrayList的使用

package test;

import java.util.ArrayList;

public class ArrayListDemo {

	public static void main(String[] args) {
		// TODO 自動生成的方法存根
		ArrayList students = new ArrayList();
		Student student[] = {
			new Student("zhangsan",70)	,
			new Student("lisi",80),
			new Student("wangwu",100)
		};
		students.add(student[0]);
		students.add(student[1]);
		students.add(student[2]);
		print(students);
		print(students.contains(student[0]));
		print(students.get(0));
		print(students.isEmpty());
		students.remove(student[0]);
		print(students);
	}
	public static void print(Object obj){
		System.out.println(obj);
	}
	
}

class Student{
	String name;
	int score;
	Student(String name,int score){
		this.name = name;
		this.score = score;
	}
}