Replace a value in arraylist java

Arraylist replace value java

list.set(1,"new value");

//example ..

List<String> list = new ArrayList<>();
list.add("one");
list.add("two");
list.add("three");
System.out.println(list); // [one,two,three]
list.set(1,"new");
System.out.println(list); //[one,new,three]

Source: grepper.com

How to replace existing element in ArrayList

public class ArrayListExample 
{
    public static void main(String[] args) 
    {
        ArrayList<String> list = new ArrayList<>();
         
        list.add("A");
        list.add("B");
        list.add("C");
        list.add("D");
         
        System.out.println(list);
 
         
        //Replace C with C_NEW
 
 
        //1 - In multiple steps
         
        int index = list.indexOf("C");
         
        list.set(index, "C_NEW");
         
        System.out.println(list);
 
 
        //2 - In single step replace D with D_NEW
 
        list.set( list.indexOf("D") , "D_NEW");
 
        System.out.println(list);
    }
}

Source: howtodoinjava.com

Similar codes

0 vote106 views1 answer
GatewayFilters
Java
51 votes114 views6 answers
Java array print
Java
20 votes89 views6 answers
Java array
Java
4 votes94 views1 answer
Java how to make a gui
Java
0 vote118 views1 answer
How to check my java heap space size
Java
0 vote108 views1 answer
Random numeros negativos java
Java
0 vote121 views1 answer
Write a method multiply() in a class Arithmetic
Java
2 votes103 views1 answer
Hibernate create query count return
Java
0 vote100 views1 answer
Text field mouse event java
Java
0 vote63 views1 answer
Getcokor from drawable in java android studio
Java