Selection - IF Statements

The IF.. THEN... ELSE... statement

We use the if statement when:

- there are 3 or less different options to choose from

- we may be comparing different variables for different options

The Syntax (in psuedocode)

//1 branch

IF <conditional statement> THEN

   <code to carry out if true>

ENDIF

//2 branches

IF <conditional statement> THEN

   <code to carry out if true>

ELSE

   <Code to carry out if false>

ENDIF

//3 branches - A Nested IF

IF <conditional statement> THEN

   <code to carry out if true>

ELSE

   IF <conditional statement> THEN

      <code to carry out if true>

   ELSE

      <Code to carry out if false>

   ENDIF

ENDIF