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Learn how to use multiple values for a single switch case statement in programming, ensuring clean and efficient code.
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How to Use Two Values for One Switch Case Statement in Programming

Switch case statements are a fundamental feature in many programming languages, allowing developers to branch execution based on the value of an expression. However, there are scenarios where you might want to perform the same operation for multiple values within a single case statement. This guide will cover how to achieve this in different programming languages and discuss the advantages of this technique.

The Basics of Switch Case

A switch case statement compares the value of a variable against a list of case values and executes a block of code when a match is found. A simple switch case syntax in C-like languages looks like this:

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Combining Multiple Values in One Case

Combining multiple values for a single case can reduce redundancy in your code and improve maintainability. Here's how to do it in a few popular programming languages:

C/C++

In C/C++, you can stack case labels on top of one another to combine multiple values for a single case:

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Java

Java syntax for combining switch cases is similar to C/C++:

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JavaScript

JavaScript, like C/C++ and Java, allows the stacking of cases:

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Python

Python lacks a built-in switch case statement, but you can achieve similar functionality using dictionaries and tuples:

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Alternatively, using if-elif statements in Python can also handle multiple values:

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Advantages of Combining Values in a Single Case

Code Readability: Combining multiple values in a single case improves code readability by reducing redundancy.

Maintenance: Simplifies the process of updating your code, as changes need to be made in fewer places.

Efficiency: Reduces the number of break statements, making your code cleaner and potentially more efficient.

Conclusion

Combining multiple values in one switch case statement can be a powerful strategy in writing concise and maintainable code. While the syntax may vary across different programming languages, the core idea remains the same: minimize redundancy and ensure that your code is as clear as possible.

Whether you're working in C/C++, Java, JavaScript, or another language, understanding this technique will undoubtedly enhance your programming toolkit.