An if expression s conditional is separated from code by the reserved word then a newline or a semicolon.
Ruby if then else inline.
You re saying if this is not true then do this.
Notice ruby uses elsif not else if nor elif.
These can be rewritten as the following statement.
Num 10 if num 0 num 1 end puts num 11 when to use if.
If stock 1 puts sorry we are out of stock else puts thanks for your order end.
The values false and nil are false and everything else are true.
Ternary syntax is the same in ruby as most languages.
Note that else if is actually spelled elsif without the e.
Result if a b x else y end.
The expression if predicate then expr1 else expr2.
A traditional if else construct in ruby is written.
Num 10 num 1 if num 0 puts num 11.
Executes code if the conditional is true.
If the conditional is not true code specified in the else clause is executed.
Ruby provides a neat inline form for if else statements when the logic in your script is simple.
The built in if then else syntax is inline.
If a b result x else result y end.
Ternary shortened if statement syntax.
You can also say if this is not true then do this other thing.
Remember using unless in ruby is just the reverse of using if.
If var 10 print variable is 10 elsif var 20 print variable is 20 else print variable is something else end.