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Stack add(int, Object) method in Java with Example

Last Updated : 24 Dec, 2018
The add(int, Object) method of Stack Class inserts an element at a specified index in the Stack. It shifts the element currently at that position (if any) and any subsequent elements to the right (will change their indices by adding one). Syntax: 
void add(int index, Object element)
Parameters: This method accepts two parameters as described below.
  • index: The index at which the specified element is to be inserted.
  • element: The element which is needed to be inserted.
Return Value: This method does not return any value. Exception: The method throws IndexOutOfBoundsException if the specified index is out of range of the size of the Stack. Below program illustrates the working of java.util.Stack.add(int index, Object element) method: Example:
Output: 
The Stack is: [Geeks, for, Geeks, 10, 20]
The new Stack is: [Geeks, for, Last, Geeks, Element, 10, 20]
Example 2:
Output: 
The Stack is: [10, 20, 30, 40, 50]
The new Stack is: [100, 10, 20, 200, 30, 40, 50]
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