A case statement is a programming language construct that allows for selection between different blocks of code. It is a control flow structure.
The case statement is a conditional clause that can be used to make decisions in the Ruby programming language. The Ruby case statement is similar to the switch statement in other programming languages. It is a powerful tool which can be used to make decisions based on different conditions.
In other programming languages, it's analogous to the switch keyword. It takes the variables that the when keyword will utilise. when: In other programming languages, it's analogous to the case keyword. It's only used to match one condition. A single case statement can contain numerous when statements.