Can we use or in switch case in C#?

Can we use or in switch case in C#?

You may do this as of C# 9.0: switch(myvar) { case 2 or 5: // break; case 7 or 12: // break; // } This is more readable then allowing it fall through, downside it’s C# 9.0 up only as you pointed out.

Can you use or in switch?

The switch-case construct is pretty similar to an if-else statement, you can use the OR operator in an if however.

How do you apply or condition in a switch case?

Here the mark is defined as 100 and when switch statement is executed, the condition will be checked as follows.

1. case mark <=35. true => (100 <= 35) – this will give the result false.
2. case mark >=36 && mark <= 60. true === (100 >=36 && 100 <= 60)
3. case mark >= 61 && mark <= 80.
4. case mark >= 81.

Can you use && in a switch statement?

7 Answers. The simple answer is No. You cant use it like that. Switch works with single expression.

How do switch statements work in C#?

C# Switch Statements

1. The switch expression is evaluated once.
2. The value of the expression is compared with the values of each case.
3. If there is a match, the associated block of code is executed.
4. The break and default keywords will be described later in this chapter.

What is a switch case in C#?

The switch case statement in C# is a selection statement. It executes code of one of the conditions based on a pattern match with the specified match expression. The switch statement is an alternate to using the if..else statement when there are more than a few options.

Can we use condition in switch case in C?

Switch Case In C In a switch statement, we pass a variable holding a value in the statement. If the condition is matching to the value, the code under the condition is executed. The condition is represented by a keyword case, followed by the value which can be a character or an integer. After this, there is a colon.

Which is better switch case or if else?

A switch statement is usually more efficient than a set of nested ifs. The compiler can do this because it knows that the case constants are all the same type and simply must be compared for equality with the switch expression, while in case of if expressions, the compiler has no such knowledge.

Can we use float in switch case?

The value of the expressions in a switch-case statement must be an ordinal type i.e. integer, char, short, long, etc. Float and double are not allowed.

How do you write a switch case in C#?

How many case statments can I use in switch statement?

You can have any number of case statements within a switch. Each case is followed by the value to be compared to and a colon. The constant-expression for a case must be the same data type as the variable in the switch, and it must be a constant or a literal.

How does switch statement work in C?

The C switch case statement is a control flow statement that tests whether a variable or expression matches one of a number of constant integer values, and branches accordingly. The switch case statement is used to control very complex conditional and branching operations.

What is switch case in C programming?

The switch expression must be an integral type.

Case labels must be constants or constant expression.

Case labels must be unique.

Case labels must end with a colon.

The break statement transfers the control out of the switch statement and it is optional.

The default statement is optional.

What is a switch statement in C programming?

Switch Statement in C Programming. A switch statement allows a variable or value of an expression to be tested for equality against a list of possible case values and when match is found, the block of code associated with that case is executed.