Introduction Data type Variable-Constant Keyword-Identifier Operations Input&Output If-else Switch loops String Array Functions Recursion-Function Mat-Function Pointers File handling Read & write Error handling Read & write error handling

Introduction Data type Variable-Constant Keyword-Identifier Operations Input&Output If-else Switch loops String Array Function Recursion-Function Mat-Function Pointers File handling read & write error handling read & write error handling

Switch

Switch statement is used to select one of many code blocks to be executed, based on the value of an expression. It is better then if else constion It selects the given list of case values & when a matched value is found ,executes its statements

Note :-

The case value must be char / int type

Case value must be unique


 switch (expression) {
    case constant1:
      // Code to execute if expression equals constant1
    break;
    case constant2:
      // Code to execute if expression equals constant2
      
    break;
    default:
      // Code to execute if expression does not match any constan
    }

Example 
    // C program to print the day using switch
#include <stdio.h>
   // Driver Code 
int main()
{
int select;
	printf("The day with number  is ");
	scanf("%d", &select);
	switch (select) {
	case 1:
		printf("Monday");
		break;
	case 2:
		printf("Tuesday");
		break;
	case 3:
		printf("Wednesday");
		break;
	case 4:
		printf("Thursday");
		break;
	case 5:
		printf("Frieday");
		break;
	case 6:
		printf("Saturday");
		break;
	case 7:
		printf("Sunday");
		break;
	default:
		printf("Invalid Input");
		break;
	}
	return 0;
}

OutPut
 The day with number  is 1
 Monday
How its work :-

Switch inside brace value is evaluated

the value is checks all case's

if matching value is found, executes that block of statements

if the matching value is not found in any case value, then its go to the default case and executes this related statements
Open kannada !


Coding

Core Coure



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