JAVA

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;//updating the value
    System.out.println("After update" + arr[2]);
  }
}

/*output:-
Before update3
After update9*/

Change element in array Java

String[] cars = {"Volvo", "BMW", "Ford", "Mazda"};
System.out.println(cars[0]);

// Change elements in array
cars[0] = "Opel";
System.out.println(cars[0]);

// Length of array
System.out.println(cars.length);

// Loop through array
for (int i = 0; i < cars.length; i++) {
  System.out.println(cars[i]);
}