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

1 vote288 views1 answer
Default method in interface java
Java
4 votes280 views1 answer
Java The Throw/Throws Keyword
Java
1 vote283 views1 answer
Context error in android studio
Java
1 vote304 views1 answer
Array declaration in java syntax
Java
0 vote286 views1 answer
Android number format
Java
0 vote309 views3 answers
Android studio make toast appear at top of screen
Java
0 vote291 views2 answers
How do i use weather api on my website netbeans
Java
0 vote306 views1 answer
Mostrar todos los elementos de un arraylist java
Java
1 vote294 views1 answer
Java connect mariadb
Java
0 vote290 views1 answer
BottomNavigationView only icon
Java