The Java.util.concurrent.atomic.AtomicBoolean.getAndSet() is an inbuilt method in java that sets the given value to the value passed in the parameter and returns the value before updation which is of data-type boolean.
Syntax:
public final boolean getAndSet(boolean val)
Parameters: The function accepts a single mandatory parameter val which specifies the value to be updated.
Return Value: The function returns the value before update operation is performed to the previous value.
Below programs illustrate the above method:
Program 1:
// Java program that demonstrates// the getAndSet() 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); // Updates and sets boolean res = val.getAndSet(true); System.out.println("Previous value: " + res); // Prints the updated value System.out.println("Current value: " + val); }} |
Output:
Previous value: false Current value: true
Program 2:
// Java program that demonstrates// the getAndSet() 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); // Gets and updates boolean res = val.getAndSet(false); System.out.println("Previous value: " + res); // Prints the updated value System.out.println("Current value: " + val); }} |
Output:
Previous value: true Current value: false
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