Search an element of Vector - Java Collection Framework

Java examples for Collection Framework:Vector

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Description

Search an element of Vector

Demo Code


import java.util.Vector;
 
public class Main {
 
  public static void main(String[] args) {
    Vector v = new Vector();
   //from ww w. j a  v  a2s  .c  o m
    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");
    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)
      System.out.println("Vector does not contain 2");
    else
      System.out.println("Last occurrence of 2 in Vector is at index :" + lastIndex);
     
  }  
}

Result


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