if( test ) expr

if( test ) expr1; else expr2;

The if and if-else statements. Expression test must be a boolean expression. Expressions expr, expr1 and expr2 stand for a single expression or a block of statements. You may nest if statements.

Example

p = 2

if( p )

   println( "Condition met" );

else {

   s = 0;

   for( k=1; k<20; k++ )

      s = s+k;

}