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Control Structures

Control structures alter the execution path (the "flow") the Ruby interpreter takes. They include conditional expressions such as if, if/else and case, and the various loops.
Ruby
3 Articles in: Control Flow
Boolean Operators
While simple boolean expressions will get you pretty far, you'll soon find yourself wanting to act on more than one condition. For that you'll need boolean operators.
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How to Use 'Ternary' (Conditional) Operators in Ruby
The ternary (or "conditional") operator will evaluate an expression and return one value if it's true, and another value if it's false. It's a kind of short-hand, compact if statement. It has its uses, but it's also a bit controversial.
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How to Use Case (Switch) Statements in Ruby
The case statement is a control structure that is usually quite limited in other programming langauges. However, it's quite powerful and flexible in Ruby.