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C++ > If Else and Switch Case Code Examples

The if-else Ladder/else-if Clause



The if-else Ladder/else-if Clause

The else-if is the most general way of writing a multi-way decision.

if(expression1) 
    statement; 
else if(expression2) 
    statement; 
else if(expression3) 
    statement; 
else if(expression4) 
{ 
    block of statement; 
} 
else 
    statement;

The expressions are evaluated in order; if an expressionis true, the "statement" or "block of statement" associated with it is executed, and this terminates the whole chain. As always, the code for each statement is either a single statement, or a group of them in braces. The last else part handles the "none of the above" or default case where none of the other conditions is satisfied.

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