The Java.util.concurrent.atomic.AtomicIntegerArray.decrementAndGet() is an inbuilt method in Java that atomically decrements by one the element at a given index. This method takes the index value and the value to be added as the parameters and returns the updated value at this index.
public final int decrementAndGet(int i)
Parameters: The function accepts a single parameter i which is the index where decrement by one operation is performed.
Return value: The function returns the updated value which is in Integer.
Below programs illustrate the above method:
The array : [1, 2, 3, 4, 5] The array after update : [1, 2, 3, 3, 5]
The array : [1, 2, 3, 4, 5] The array after update : [0, 2, 3, 4, 5]
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