Can You Put A Switch Statement Inside An If Statement?

Can I put an if statement in a switch C++?

In C++, the switch statement doesn’t lend itself well to testing for ranges; I’d just use an if statement: if ( (avg<=100) && (avg >=80)) { // you get an A } else if …

But, if you really really need to use a switch, there are a few ways to go about it: switch (avg) { case 100: case 99: case 98: ….

Can you put a for loop inside an if statement?

Yes, you can put an if statement inside a for loop.

Can you put a function in an if statement?

Placing the function inside or outside the if-statement doesn’t matter. There is no performance gain or loss. This is because the compiler will automatically create a place on the stack for the return value – whether or not you’ve explicitly defined a variable.

Can we use string in switch case?

Strings in switch Yes, we can use a switch statement with Strings in Java. … It is recommended to use String values in a switch statement if the data you are dealing with is also Strings. The expression in the switch cases must not be null else, a NullPointerException is thrown (Run-time).

Is printf a keyword?

The ANSI C language has 32 keywords (ONLY!). Note that the name printf is actually not a C keyword and not really part of the C language. It is a standard input/output library pre-defined name.

Are switch statements Bad?

Case statement is used for conditional operations. … Switch case is not a bad syntax, but its usage in some cases categorizes it under code smell. It is considered a smell, if it is being used in OOPS. Thus, Switch case should be used very carefully.

Can you have an if statement in a switch statement?

Ranges can be used because switch expressions can use any valid JavaScript expression syntax. Any expression you might use in an if statement can be used in a switch expression.

What are the four keywords used in a switch statement?

There are four new keywords we’re introduced to here: switch , case , break , and default .

How many cases can you have in switch statement?

257 caseStandard C specifies that a switch can have at least 257 case statements. Standard C++ recommends that at least 16,384 case statements be supported! The real value must be implementation dependent.

Is switch faster than if else C++?

Speed: A switch statement might prove to be faster than ifs provided number of cases are good. If there are only few cases, it might not effect the speed in any case. Prefer switch if the number of cases are more than 5 otherwise, you may use if-else too.

How many choices are possible when using a single IF ELSE statement?

two choicesUsing IF and ELSE gives two possible choices (paths) that a program can follow. However, sometimes more than two choices are wanted. To do this, the statement ELSE IF is used.

What is switch statement example?

Switch statement in C tests the value of a variable and compares it with multiple cases. Once the case match is found, a block of statements associated with that particular case is executed. Each case in a block of a switch has a different name/number which is referred to as an identifier.