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]

Change or Replace ArrayList Elements using set() function

import java.util.ArrayList;

class Main {
  public static void main(String[] args) {
    ArrayList<String> animals = new ArrayList<>();

    // add elements in the arraylist
    animals.add("Peacock");
    animals.add("Markhor");
    animals.add("Cow");
    System.out.println("ArrayList: " + animals);

    // change the element of the array list
    animals.set(2, "Dog");
    System.out.println("Modified ArrayList: " + animals);
  }
}