Java AtomicInteger getAndSet( ) method

The getAndSet() method in Java AtomicInteger class sets the new value to the given atomicInteger and returns the old value.

Syntax

Parameters

newValue: It is new value.

Return

It will return the current value of atomicInteger.

Example 1

import java.util.concurrent.atomic.AtomicInteger;
public class AtomicIntegerGetAndSetExp1 
{
    public static void main(String[] args) 
    {
        AtomicInteger number= new AtomicInteger(-10);
        int number1=number.getAndSet(20);
        System.out.println("the updated number: "+number);
        System.out.println("the old number: "+ number1);
    }
}

Test it Now

Output:

the updated number: 20
the old number: -10

Example 2

import java.util.concurrent.atomic.AtomicInteger;
public class AtomicIntegerGetAndSetExp2 
{
    public static void main(String[] args) 
    {
        AtomicInteger number= new AtomicInteger();
        int number1=number.getAndSet(20);
        System.out.println("the updated number: "+number);
        System.out.println("the old number: "+ number1);
    }
}

Test it Now

Output:

the updated number: 20
the old number: 0

Example 3

import java.util.concurrent.atomic.AtomicInteger;
public class AtomicIntegerGetAndSetExp3 
{
    public static void main(String[] args) 
    {
        AtomicInteger number = new AtomicInteger(100);
        int number1 = number.getAndSet(200);
        System.out.println("the updated number: "+number);
        System.out.println("the old number: "+ number1);
    }
}

Test it Now

Output:

the updated number: 200
the old number: 100

Example 4

import java.util.concurrent.atomic.AtomicInteger;
public class AtomicIntegerGetAndSetExp4 
{
    public static void main(String[] args) 
    {
        AtomicInteger number = new AtomicInteger(10);
        int number1 = number.getAndSet(2);
        System.out.println("the updated number: "+number);
        System.out.println("the old number: "+ number1);
    }
}

Test it Now

Output:

the updated number: 2
the old number: 10

Example 5

import java.util.concurrent.atomic.AtomicInteger;
public class AtomicIntegerGetAndSetExp5 
{
    public static void main(String[] args) 
    {
        AtomicInteger number = new AtomicInteger(10);
        int number1 = number.getAndSet(-3);
        System.out.println("the updated number: "+number);
        System.out.println("the old number: "+ number1);
    }
}

Test it Now

Output:

the updated number: -3
the old number: 10

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Java AtomicInteger getAndSet( ) method

Syntax

Parameters

Return

Example 1

Example 2

Example 3

Example 4

Example 5