The Java.util.concurrent.atomic.AtomicLong.getAndAdd() is an inbuilt method in java that adds the given value to the current value and returns the value before updation which is of data-type long.
public final long getAndAdd(long val)
Parameters: The function accepts a single mandatory parameter val which specifies the value to be added to the current value.
Return value: The function returns the value before addition is performed to the previous value.
Below programs illustrate the above method:
Previous value: 0 Current value: 7
Previous value: 18 Previous value: 18 Current value: 26
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