The throw statement throws a user-defined exception. Execution of the current function will stop (the statements after throw won’t be executed), and control will be passed to the first catch block in the call stack. If no catch block exists among caller functions, the program will terminate.

Does throw return from function?

3 Answers. When you throw an exception, the function halts there and execution jumps to wherever the exception was caught. Your function doesn’t return anything because the function doesn’t return at all.

Does throw stop execution?

The throw statement throws a user-defined exception. Execution of the current function will stop (the statements after throw won’t be executed), and control will be passed to the first catch block in the call stack. If no catch block exists among caller functions, the program will terminate.