Breaking News: Grepper is joining You.com. Read the official announcement!

Can we consider the statement i++ as an atomic operation in Java?

Add Answer

Pragya Keshap answered on February 4, 2023 Popularity 1/10 Helpfulness 1/10

answer Can we consider the statement i++ as an atomic operation in Java?

Can we consider the statement i++ as an atomic operation in Java?

Comment

No. The statement i++ is not an Atomic operation. It has more than

one operation.

First JVM loads the current value of i in memory. Then it

increments it. Finally it stores the new value back into variable i.

The current thread that executes this operation may be interrupted

between any of the above-mentioned three steps. Therefore it is not

an atomic operation

public class SafeCounterWithoutLock {
    private final AtomicInteger counter = new AtomicInteger(0);
    
    public int getValue() {
        return counter.get();
    }
    public void increment() {
        while(true) {
            int existingValue = getValue();
            int newValue = existingValue + 1;
            if(counter.compareAndSet(existingValue, newValue)) {
                return;
            }
        }
    }
}

https://www.baeldung.com/java-atomic-variables

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: atomic java operation

Link to this answer
Share Copy Link

Contributed on Feb 04 2023

Pragya Keshap

0 Answers Avg Quality 2/10

Can we consider the statement i++ as an atomic operation in Java?

Contents

More Related Answers

Can we consider the statement i++ as an atomic operation in Java?

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.