Give the syntax switch statement, Computer Engineering

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Give the syntax  switch statements

Consider the following example. This is a function which converts an integer into a vague description. It is useful where we are only concerned in measuring a quantity when it is quite small.

estimate(number)

int number;

/* Estimate a number as none, one, two, several, many */

{      switch(number) {

case 0 : printf("None\n"); break;

case 1 : printf("One\n"); break;

case 2 : printf("Two\n"); break;

case 3 : case 4 : case 5 :

printf("Several\n");

break;

default :

printf("Many\n");

break;

}

}

Each interesting case is listed with a corresponding action. The break statement prevents any further statements from being executed by leaving the switch. Since case 3 and case 4 have no following break, they continue on allowing the same action for several values of number.

Both if and switch constructs allow the programmer to make a selection from a number ofpossible actions.

 


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