collectionsdemo.java

软通公司培训的课件和习题里面有答案。。。

package com.eight.java;

import java.util.*;

public class CollectionsDemo {


	public static void main(String[] args) {
		ArrayList list = new ArrayList();
		list.add(new Integer(100));
		list.add(new Integer(55));
		list.add(new Integer(24));
		list.add(new Integer(37));
		System.out.println("排序前："+list);
		Collections.sort(list);
		System.out.println("排序后: "+list);
		System.out.println("最大："+Collections.max(list));
		System.out.println("最小: "+Collections.min(list));

	}

}