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  • SWITCH STATEMENT IN C

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    A Switch is a control statement that allows value to change control of execution.
    These are the fact about the switch statement.

    • Switch case statement expressions must be of integral type (int,char and enum). Any other type of expressions used in switch case are not allowed.
    • Until a break statement is encountered ,all the above matching statements get executed.
    • We can place the default block anywhere .
    • The labels used by integral expression should be a constant expressions.
    • The statement of switch cases written above are never executed.
    • The same values should not consist in any two case labels.

    Simple Program to explain the syntax of switch

    #include
    int main()
    {
    int  m=2;
    switch(m)
    {
    case 1: printf(Color is 1);
                break;
    case 2: printf(Color is 2);
                break;
    case 3: printf(Color is 3);
                break;
    default: printf(Color other than 1, 2 and 3);
                break;
    }
    return );
    }
    

    Output for the above program

    Color is 2

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