A function (method) is a block of code that can be called from another location in the program or class.
A switch case is used test variable equality for a list of values, where each value is a case. When the variable is equal to one of the cases, the statements following the case are executed.
Used to declare a variable that can hold multiple values.
The if else block controls decision making by checking true/false statements resulting in different executions of code, depending on if the result is true and if the result is false. There are three parts to the if-else block: if, else if, and else.
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