Programming In C, 3rd Edition

Decision Statements 121

Syntax of nested if-else statement can be given as follows.

if(condition)

{

/*Inside first if block*/

if(condition)

{

statement 1; /*if block*/

statement 2;

}

else

{

statement 3; /*else block*/

statement 4;

}

}

else

{

/*Inside else block*/

if(condition)

{

statement 5; /*if block*/

statement 6;

}

else

{

statement 7; /*else block*/

statement 8;

}

}

From the above block, following rules can be described for applying nested if-else-if

statements.

1. Nested if-else can be chained with one another.

2. If the condition is true control passes to the block following first if. In that case, we