Switch Case in C Language

The basic form of a switch statement is:

switch (variable)

{

case expression1:

do something 1;
break;


case expression2:
do something 2;
break;


....
default:
do default processing;

}

Example of Switch Case Program:

switch( marks )
     {
        case 'A' : printf( "A++" );
                   break;

        case 'B' : printf( "A+" );
           break;

case 'C' : printf( "A" );
           break;

        case 'D' : printf( "B" );
           break;

case 'F' : printf( "C" );   
           break;

default  : printf( "YOU FAILED" );
                   break;
}

The keyword break must be included at the end of each case statement. The default clause is optional

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