What is switch statement in C and how to use it?
What is switch statement in C and how to use it?
What is Switch Statement in C? 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.
What is switch case in C programming language?
Each value is called a case, and the variable being switched on is checked for each switch case. The syntax for a switch statement in C programming language is as follows −
What happens if there is no break in a switch statement?
If no break appears, the flow of control will fall through to subsequent cases until a break is reached. A switch statement can have an optional default case, which must appear at the end of the switch. The default case can be used for performing a task when none of the cases is true. No break is needed in the default case.
What are the rules for Switch statements in JavaScript?
Rules for switch statement: 1 An expression must always execute to a result. 2 Case labels must be constants and unique. 3 Case labels must end with a colon ( : ). 4 A break keyword must be present in each case. 5 There can be only one default label. 6 We can nest multiple switch statements.
How to find the grade of a student using SWITCH CASE statements?
Here, we will write a C program to find the grade of a student using switch case statements. The below table shows the grading system. Prerequisites for finding grade of a student using switch case statements:- The condition of the switch case is score/10, so, the score every is divided by 10 and the matched label will be executed.
How to find day name of week using switch case in C?
How to find day name of week using switch case in C programming. Step by step descriptive logic to print day name of week. Input day number from user. Store it in some variable say week. Switch the value of week i.e. use switch (week) and match with cases. There can be 7 possible values (choices) of week i.e. 1 to 7.
How to print week number of week in switch?
There can be 7 possible values (choices) of week i.e. 1 to 7. Therefore write 7 case inside switch. In addition, add default case as an else block. For case 1: print “MONDAY”, for case 2: print “TUESDAY” and so on. Print “SUNDAY” for case 7:. If any case does not matches then, for default: case print “Invalid week number”.
How to match week and case values in a switch?
Switch the value of week i.e. use switch (week) and match with cases. There can be 7 possible values (choices) of week i.e. 1 to 7. Therefore write 7 case inside switch. In addition, add default case as an else block. For case 1: print “MONDAY”, for case 2: print “TUESDAY” and so on.
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