AtomicLong set() method in Java with examples

The Java.util.concurrent.atomic.AtomicLong.set() is an inbuilt method in java that updates the previous value and sets it to a new value which is passed in the parameter.

Syntax:

public final void set(long newVal)

Parameters: The function accepts a single mandatory parameter newVal which is to be updated.

Return value: The function does not returns anything.

Below programs illustrate the above method:



Program 1:

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// Java program that demonstrates
// the set() function
  
import java.util.concurrent.atomic.AtomicLong;
  
public class GFG {
    public static void main(String args[])
    {
  
        // Initially value as 0
        AtomicLong val = new AtomicLong(0);
  
        System.out.println("Previous value: "
                           + val);
  
        val.set(10);
  
        // Prints the updated value
        System.out.println("Current value: "
                           + val);
    }
}

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Output:


Previous value: 0
Current value: 10





Program 2: 











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// Java program that demonstrates 


// the set() function 


  


import java.util.concurrent.atomic.AtomicLong; 


  


public class GFG { 


    public static void main(String args[]) 


    { 


  


        // Initially value as 18 


        AtomicLong val = new AtomicLong(18); 


  


        System.out.println("Previous value: "


                           + val); 


  


        val.set(200); 


  


        // Prints the updated value 


        System.out.println("Current value: "


                           + val); 


    } 


} 



















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Output:


Previous value: 18
Current value: 200





Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html#set–


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