AtomicLongArray set() method in Java with Examples

The Java.util.concurrent.atomic.AtomicLongArray.set() is an inbuilt method in Java that sets a given value at any position of the AtomicLongArray. This method takes the index value of the AtomicLongArray as parameter and updates the value at that index. This method does not return any value. The function set() is similar to getAndSet() function but the former does not return any value while the latter returns the value at the given index before setting the new value at that index.

Syntax:

public final void set(int i, long newValue)



Parameters: The function takes two parameters:

  • i – The index value where the update is to be made.
  • newValue – The new value to update at the index.
  • Return Value: The function does not return any value.

    Below programs illustrate the above method:

    Program 1:

    filter_none

    edit
    close

    play_arrow

    link
    brightness_4
    code

    // Java program that demonstrates
    // the set() function
      
    import java.util.concurrent.atomic.AtomicLongArray;
      
    public class GFG {
        public static void main(String args[])
        {
            // Initializing an array
            long a[] = { 1, 2, 3, 4, 5 };
      
            // Initializing an AtomicLongArray with array a
            AtomicLongArray arr = new AtomicLongArray(a);
      
            // Displaying the AtomicLongArray
            System.out.println("The array : " + arr);
      
            // Index where operation is performed
            int idx = 0;
      
            // The new value to update at idx
            long val = 10;
      
            // Updating the value at
            // idx applying set
            arr.set(idx, val);
      
            // Displaying the AtomicLongArray
            System.out.println("The array after update : "
                               + arr);
        }
    }

    chevron_right

    
    

    Output:

    The array : [1, 2, 3, 4, 5]
    The array after update : [10, 2, 3, 4, 5]
    

    Program 2:

    filter_none

    edit
    close

    play_arrow

    link
    brightness_4
    code

    // Java program that demonstrates
    // the set() function
      
    import java.util.concurrent.atomic.AtomicLongArray;
      
    public class GFG {
        public static void main(String args[])
        {
            // Initializing an array
            long a[] = { 1, 2, 3, 4, 5 };
      
            // Initializing an AtomicLongArray with array a
            AtomicLongArray arr = new AtomicLongArray(a);
      
            // Displaying the AtomicLongArray
            System.out.println("The array : " + arr);
      
            // Index where operation is performed
            int idx = 3;
      
            // The new value to update at idx
            long val = 100;
      
            // Updating the value at
            // idx applying set
            arr.set(idx, val);
      
            // Displaying the AtomicLongArray
            System.out.println("The array after update : "
                               + arr);
        }
    }

    chevron_right

    
    

    Output:

    The array : [1, 2, 3, 4, 5]
    The array after update : [1, 2, 3, 100, 5]
    

    Reference:
    https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLongArray.html#set-int-long-



    My Personal Notes arrow_drop_up

    Coder Machine Learner Social Activist Vocalist

    If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

    Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.