Find Max and Min value of ArrayList

package com.usr.collections;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

public class FindMaxAndMinValueOfArrayList {

       public static void main(String[] args) {

              List<Integer> list = new ArrayList<Integer>();

              list.add(new Integer("12676"));

              list.add(new Integer("576767"));

              list.add(new Integer("8778978"));

              list.add(new Integer("3432432"));

              Object maxValue = Collections.max(list);

              System.out.println("max value of list" + maxValue);

              Object minValue = Collections.min(list);

              System.out.println("min value of list:" + minValue);

       }

}