Example

public class ClassA {
public ClassA () {
}

protected synchronized void methodA () {
//..
}
}


Solution
Use the @concurrency Javadoc tag in synchronized protected method's Javadoc comments.

public class ClassA {
public ClassA () {
}

/**
* Synchronization description..
* @concurrency ..
*/
protected synchronized void methodA () {
//..
}
}