在ArrayList上执行二进制搜索

import java.util.ArrayList;//from 时代Java - N o w  J a v a . c o m

import java.util.Collections;

 

public class Main {

 

  public static void main(String[] args) {

    ArrayList arrayList = new ArrayList();

 

    arrayList.add("1");

    arrayList.add("4");

    arrayList.add("2");

    arrayList.add("5");

    arrayList.add("3");

   

    Collections.sort(arrayList);//来自 n o w j a v a . c o m - 时  代  Java

    System.out.println("Sorted ArrayList contains : " + arrayList);

   

    //search an element using binarySearch method of Collections class