AtomicInteger incrementAndGet() method in Java with examples
The java.util.concurrent.atomic.AtomicInteger.incrementAndGet() is an inbuilt method in java that increases the previous value by one and returns the value after updation which is of data-type int.
Syntax:
public final int incrementAndGet()
Parameters: The function does not accepts a single parameter.
Return value: The function returns the value after increment operation is performed to the previous value.
Program below demonstrates the function:
Program 1:
// Java program that demonstrates // the incrementAndGet() function import java.util.concurrent.atomic.AtomicInteger; public class GFG { public static void main(String args[]) { // Initially value as 0 AtomicInteger val = new AtomicInteger( 0 ); System.out.println( "Previous value: " + val); // Incremenet and get int res = val.incrementAndGet(); // Prints the updated value System.out.println( "Current value: " + res); } } |
Previous value: 0 Current value: 1
Program 2:
// Java program that demonstrates // the incrementAndGet() function import java.util.concurrent.atomic.AtomicInteger; public class GFG { public static void main(String args[]) { // Initially value as 18 AtomicInteger val = new AtomicInteger( 18 ); System.out.println( "Previous value: " + val); // Incremenet and get new value int res = val.incrementAndGet(); // Prints the updated value System.out.println( "Current value: " + res); } } |
Previous value: 18 Current value: 19
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