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What is the AtomicLong.longValue method in Java?

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Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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AtomicLong represents a long value the may be updated atomicallyAtomic operation is performing a single unit of work on a resource. During that operation, no other operations are allowed on the same resource until the performing operation is finished.. The AtomicLong class is present in the java.util.concurrent.atomic package.

The longValue method of the AtomicLong class will return the AtomicLong value as a long value.

Syntax

public long longValue()

This method doesn’t take any argument.

This method returns the AtomicLong object’s numeric value as a long value.

Code

The below code demonstrates how to use the longValue method:

import java.util.concurrent.atomic.AtomicLong;
class LongValue{
public static void main(String[] args) {
AtomicLong atomicLong = new AtomicLong(10);
long val = atomicLong.get();
System.out.println("The value in the atomicLong object is " + val);
long longVal = atomicLong.longValue();
System.out.println("\natomicLong.longValue() : " + longVal);
}
}

Explanation

In line number 1: We imported the AtomicLong class.

In line number 4: We created a new object for the AtomicLong class with the name atomicLong and with the value 10.

In line number 9: We used the longValue method to get the value of the atomicLong object as a long value.

RELATED TAGS

atomiclong
longvalue
java
communitycreator

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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