AtomicReferenceArray setPlain() method in Java with Examples

AtomicReferenceArray set() method in Java with Examples

Last Updated : 03 Jan, 2020

The set() method of a AtomicReferenceArray class is used to set the value of the element at index i to newValue. Both index i and newValue are passed as parameters to the method. This method set the value with memory semantics of reading as if the variable was declared volatile type of variable. Syntax:

public final void set(int i, E newValue)

Parameters: This method accepts:

i which is an index of AtomicReferenceArray to perform the operation,
newValue which is the new value to set.

Return value: This method returns nothing. Below programs illustrate the set() method: Program 1:

Java

// Java program to demonstrate
// AtomicReferenceArray.set() method

import java.util.concurrent.atomic.*;

public class GFG {

    public static void main(String[] args)
    {

        // create an atomic reference object.
        AtomicReferenceArray<Integer> ref
            = new AtomicReferenceArray<Integer>(5);

        // set some value and print
        ref.set(0, 2345);
        ref.set(1, 543);
        ref.set(2, 322);

        System.out.println("Value of index 0 = "
                           + ref.get(0));
        System.out.println("Value of index 1 = "
                           + ref.get(1));
        System.out.println("Value of index 2 = "
                           + ref.get(2));
    }
}

Output:

Value of index 0 = 2345
Value of index 1 = 543
Value of index 2 = 322

Program 2:

Java

// Java program to demonstrate
// AtomicReferenceArray.set() method

import java.util.concurrent.atomic.*;

public class GFG {

    public static void main(String[] args)
    {

        // create an atomic reference object.c
        AtomicReferenceArray<String> ref
            = new AtomicReferenceArray<String>(5);

        // set some value
        ref.set(0, "C");
        ref.set(1, "PYTHON");
        ref.set(2, "TS");
        ref.set(3, "C++");
        ref.set(4, "C");

        // print
        for (int i = 0; i < 5; i++) {
            System.out.println(ref.get(i));
        }
    }
}

Output:

C
PYTHON
TS
C++
C

References: https://docs.oracle.com/javase/10/docs/api/java/util/concurrent/atomic/AtomicReferenceArray.html#set(int, E)

AtomicReferenceArray setPlain() method in Java with Examples

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