AtomicInteger decrementAndGet() method in Java with examples

The java.util.concurrent.atomic.AtomicInteger.decrementAndGet() is an inbuilt method in java that decreases the previous value by one and returns the value after updation which is of data-type int.

Syntax: 

public final int decrementAndGet()

Parameters: The function does not accepts a single parameter. 
Return value: The function returns the value after decrement 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: 17

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