搜索向量元素

/*来 自 nowjava.com - 时代Java*/


import java.util.Vector;

 

public class Main {

 

  public static void main(String[] args) {

    Vector v = new Vector();

   

    v.add("1");

    v.add("2");

    v.add("3");

    v.add("4");

    v.add("5");

    v.add("1");

    v.add("2");

 

    boolean blnFound = v.contains("3");

    System.out.println("Does Vector contain 3 ? " + blnFound);

 

    int index = v.indexOf("5");
    /*
    来 自*
     时代Java公众号 - N o w J a  v a . c o m
    */

    if(index == -1)

      System.out.println("Vector does not contain 5");

    else

      System.out.println("Vector contains 5 at index :" + index);

     

    int lastIndex = v.lastIndexOf("2");

    if(lastIndex == -1)