How to replace existing value of ArrayList element in java -


i still quite new java programming , trying update existing value of array list using code

public static void main(string[] args){      list<string> list = new arraylist<string>();      list.add( "zero" );     list.add( "one" );     list.add( "two" );     list.add( "three" );       list.add( 2, "new" ); // add @ 2nd index       system.out.println(list);}

i want print new instead of tow got [zero, one, new, two, three] result, still have "two". want print [zero, one, new, three]. how do this? thank you..

use set method replace old value new one.

list.set( 2, "new" );

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