The StringBuffer class is more efficient than the StringBuilder class because it can execute multiple threads during program execution.

Question

Quizplus · Accepted Answer

The StringBuffer class is synchronized, which means it is thread-safe and can be used in multi-threaded environments, but it may be slower due to the added overhead of synchronization. The StringBuilder class is not synchronized and is therefore faster in single-threaded environments.

The StringBuffer Class Is More Efficient Than the StringBuilder Class