Java Vector setElementAt() Method with Example

Vector Class setElementAt() method: Here, we are going to learn about the setElementAt() method of Vector Class with its syntax and example.
Submitted by Preeti Jain, on March 19, 2020

Vector Class setElementAt() method

setElementAt() method is available in java.util package.
setElementAt() method is used to set the given element (ele) at the given indices in this Vector.
setElementAt() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
setElementAt() method may throw an exception at the time of setting an element.
ArrayIndexOutOfBoundsException: This exception may throw when the given first parameter is not in a range.

Syntax:

    public void setElementAt(Element ele, int indices);

Parameter(s):

Element ele – represents the element to be set at the given indices.
int indices – represents the indices of the given element to be set.

Return value:

The return type of the method is void, it returns nothing.

Example:

// Java program to demonstrate the example 
// of void setElementAt(Element ele, int indices) method 
// of Vector 

import java.util.*;

public class SetElementAtOfVector {
 public static void main(String[] args) {
  // Instantiates a Vector object  with
  // initial capacity of "10"
  Vector < String > v = new Vector < String > (10);

  // By using add() method is to add the
  // elements in this v
  v.add("C");
  v.add("C++");
  v.add("JAVA");

  // Display Vector
  System.out.println("v: " + v);

  // By using setElementAt() method is to
  // set the element at the given indices
  v.setElementAt("SFDC", 2);

  // Display updated vector
  System.out.println("v.setElementAt(SFDC, 2): " + v);
 }
}

Output

v: [C, C++, JAVA]
v.setElementAt(SFDC, 2): [C, C++, SFDC]

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