Computer Science · Java Programming
Consider the following Java code: class X { private int a; private int b; public synchronized void addA() { a++; } public synchronized void addB() { b++; } } Can two different threads concurrently access the same instance of class X, with one performing x.addA() and the other performing x.addB() at the same time?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1No, because the code will cause a compilation error.
- 2Yes, but it will always result in a Runtime Exception.
- 3No, because both methods are synchronized on the same object instance lock.✓
- 4Yes, because they are calling different methods.
Correct answer
No, because both methods are synchronized on the same object instance lock.
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