AtomicBoolean set() method in Java with Examples

AtomicBoolean lazySet() method in Java with Examples

Last Updated : 27 Feb, 2019

The java.util.concurrent.atomic.AtomicBoolean.lazySet() 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 lazySet(boolean 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 function: Program 1:

Java

// Java program that demonstrates
// the lazySet() function

import java.util.concurrent.atomic.AtomicBoolean;

public class GFG {
    public static void main(String args[])
    {

        // Initially value as false
        AtomicBoolean val
            = new AtomicBoolean(false);

        System.out.println("Previous value: "
                           + val);

        val.lazySet(true);

        // Prints the updated value
        System.out.println("Current value: "
                           + val);
    }
}

Output:

Previous value: false
Current value: true

Program 2:

Java

// Java program that demonstrates
// the lazySet() function

import java.util.concurrent.atomic.AtomicBoolean;

public class GFG {
    public static void main(String args[])
    {

        // Initially value as true
        AtomicBoolean val
            = new AtomicBoolean(true);

        System.out.println("Previous value: "
                           + val);

        val.lazySet(false);

        // Prints the updated value
        System.out.println("Current value: "
                           + val);
    }
}

Output:

Previous value: true
Current value: false

Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html#lazySet-boolean-

AtomicBoolean set() method in Java with Examples

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