Question
Which of the following data types can be used in a switch controlling expression? int, char, and enum int
Ask by Paul Mullins. in the United States
Jan 21,2025
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Answer
Both `int`, `char`, and `enum` can be used in a `switch` controlling expression.
Solution
In languages like **C** and **C++**, the `switch` statement can handle several integral data types as the controlling expression. Specifically, you can use:
- **`int`**: A common choice for controlling expressions.
- **`char`**: Since characters are essentially small integers, they work seamlessly in `switch` statements.
- **`enum`**: Enumerated types are integral by nature, making them suitable for use in `switch`.
Therefore, among the options provided:
- **Both `int`, `char`, and `enum`** can be used in a `switch` controlling expression.
- **Only `int`** is a more limited choice but also correct.
**Answer:**
Both int, char, and enum types can be used as the controlling expression in a switch statement.
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Ah, the switch statement! A programmer's best friend when it comes to handling multiple choices with ease. In languages like C, C++, and Java, you can use integers, characters, and enumerated types (enums) as controlling expressions in a switch statement. This flexibility allows for cleaner and more readable code compared to multiple if-else conditions. However, keep in mind that using floating-point numbers, strings, or complex data types in switch statements is a no-go! They can lead to unpredictable behavior or errors, so it's essential to stick to the primary types mentioned to keep your code both functional and bug-free!
