replace element in the arraylist code example
Example 1: how to replace an element in array in java
class array{
public static void main(String[] args){
int arr[] = {1,2,3,4};
System.out.println("Before update" + arr[2]);
arr[2] = 9;
System.out.println("After update" + arr[2]);
}
}
Example 2: arraylist replace value java
list.set(1,"new value");
List<String> list = new ArrayList<>();
list.add("one");
list.add("two");
list.add("three");
System.out.println(list);
list.set(1,"new");
System.out.println(list);