Java vs. Groovy, Scala, Kotlin - Syntax Comparison of JVM Languages

MyTestClass.scala

Syntax: 

<class/object> <class-name> (constructor-arg-name:arg-type,..){

	<private/protected/no-modifier> def <func-name> (<arg-name>:<arg-type>,...) : <return-type> = {
	   <method-body>
	   return <return-value>
	}
}

Example:

class MyTestClass(name: String){

	def myMethod(a: String, b: Int): String = {
		var result = name + a + b;
		return result;
	}
}