I am still quite new to Java programming and I am trying to update an existing value of an ArrayList by using this code public static void main String args List lt String gt list new ArrayList lt String gt list add Zero list add One list add Two list add Three list add 2 New add at 2nd index System out println list I want to print New instead of Two but I got Zero One New Two Three as the result and I still have Two I want to print Zero One New Three How can I do this Thank You

How to replace existing value of ArrayList element in Java

Use the set method to replace the old value with a new one.

list.set( 2, "New" );

~ Answered on 2014-06-01 14:44:29