(1): True or false 1. The != operator in C++ is used to check for equality. 2. The body of the if statement in C++ must always be enclosed in curly braces {}. 3. The else statement in C++ is optional and can be omitted if not needed. 4. In an if/else if statement, multiple else if blocks can be used to check multiple conditions sequentially. 5. A menu-driven program in C++ typically uses a switch statement to handle user choices. ) ( ) ( ( ( ) ) )