Common Groovy Methods

Collection:

• .collect()

• .find()

• .findAll()

• .each()

• .first()

Arrays:

• initialization = []

• shift << operator

• the in operator

Groovy Maps:

• initialization = [:]

• index[“operator”]

• dot.operator 

Closures:

• Closure c1 = { it }

• Closure c2 = { multiple, parameters -> ... }

• Closure c3 = { return statementIsOptional }

• assert a.foo({ bar(it) }) == a.foo { bar it }

Boolean:

• assert null == false

• assert 0 == false

• assert “” == false

• assert [] == false

• assert new Object() == true

• assert 123 == true

• assert “Hello” == true

• assert [1, 2, 3] == true

Groovy Syntax:

• GString g = “Double quoted interpolated ${strings}”

• String s = ‘single quotes strings’

• def keyword closure { it }

• *spreadOperator

• safe?.navigation?.operator

• the as Operator

• BigDecimal type