Question

How to replace an element at specific index in Vector with Java

Answer 1

import java.util.Vector;
  
public class MyClass {
    public static void main(String args[]) {
        Vector<String> vec = new Vector<String>();
  
        vec.add("java");
        vec.add("c");
        vec.add("c++");
        vec.add("c#");
        vec.add("python");
        vec.add("php");
  
        vec.set(2, "nodejs");
  
        for (int i = 0; i < vec.size() ; i++){
            System.out.println(vec.get(i));
        }
    }
}
  
  

  
/*
run:
  
java
c
nodejs
c#
python
php
 
*/

 

70+ SQL courses for beginners and professionals

Answer 2

import java.util.Vector;
  
public class MyClass {
    public static void main(String args[]) {
        Vector<String> vec = new Vector<String>();
  
        vec.add("java");
        vec.add("c");
        vec.add("c++");
        vec.add("c#");
        vec.add("python");
        vec.add("php");
  
        vec.setElementAt("nodejs", 2);
  
        for (int i = 0; i < vec.size() ; i++){
            System.out.println(vec.get(i));
        }
    }
}
  
  

  
/*
run:
  
java
c
nodejs
c#
python
php
 
*/

 

70+ SQL courses for beginners and professionals