Which line of code, inserted inside the increment () method, will increment the value of c?

Given:

import java.util.concurrent.atomic.AtomicInteger;

public class AtomicCounter {

private AtomicInteger c = new AtomicInteger(0);

public void increment() {

// insert code here

}

}

Which line of code, inserted inside the increment () method, will increment the value of c?

A.
c.addAndGet();

B.
c++;

C.
c = c+1;

D.
c.getAndIncrement ();

Explanation:
getAndIncrement
public final int getAndIncrement()
Atomically increment by one the current value.

Reference:java.util.concurrent.atomic