The set() method of a AtomicReference class is used to set the value of this AtomicReference object with memory semantics of reading as if the variable was declared volatile type of variable.
Syntax:
public final void set(V newValue)
Parameters: This method accepts newValue which is the new value to set.
Return value: This method returns nothing.
Below programs illustrate the set() method:
Program 1:
// Java program to demonstrate // AtomicReference.set() method   import java.util.concurrent.atomic.AtomicReference;   public class GFG {     public static void main(String[] args)     {           // create an atomic reference object         // which stores Integer.         AtomicReference<Integer> ref             = new AtomicReference<Integer>();           // set some value using set method         ref.set( 13243546 );           // print value         System.out.println( "value 1 = " + ref.get());     } } |
value 1 = 13243546
Program 2:
// Java program to demonstrate // AtomicReference.set() method   import java.util.concurrent.atomic.AtomicReference;   public class GFG {     public static void main(String[] args)     {           // create an atomic reference object         // which stores String.         AtomicReference<String> ref             = new AtomicReference<String>();           // set some value         ref.set( "WELCOME TO GEEKS FOR GEEKS" );           // print value         System.out.println( "V = " + ref.get());     } } |
V = WELCOME TO GEEKS FOR GEEKS
References: https://docs.oracle.com/javase/10/docs/api/java/util/concurrent/atomic/AtomicReference.html#set(V)