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Closures and Switch Statements

Closures and Switch Statements

Learn about closures and switch statements in Groovy.

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Closures

A closure is a block of code in Groovy, which may or may not take parameters and return a value. It is very similar to lambda expressions in Java 8. For example, in the above code it.size() <= 4 and println it are closures.

Groovy closures have several implicit variables:

  • it: If the closure has one argument, it can be referred to
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