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:  

Previous value: 0
Current value: 1

Program 2: 

Previous value: 18
Current value: 19

Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html#incrementAndGet--