Java Vector replaceAll() Method

Last Updated : 17 Mar 2025

The replaceAll() method of Java Vector class is used to replace each element of the list with the result of applying the operator to that element.

Syntax

Following is the declaration of replaceAll() method:

Parameter

Return

The replaceAll() method does not return anything.

Exceptions

NullPointerException- This method has thrown an exception if the specified operator is null or if the operator result is a null value and this list does not permit null elements.

Compatibility Version

Java 1.2 and above

Example 1

Output:

Vector elements: [10, 2, 30, 40, 2]
New vector elements: [10, 20, 30, 40, 20]

Example 2

Output:

Vector elements: [Java, Python, Android, Java, Ruby]
New vector elements: [tpointtech, Python, Android, tpointtech, Ruby]