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1) Teatro alla Scala, a famous opera house in Milan

2) An object-oriented programming language developed in Switzerland and targetted primarily at the Java Virtual Machine. It's a bit like Java, except with all the syntactical cruft removed, closures and first-class functions added, and an awesome collections library. This comes together to let you write code in about a quarter of the lines as for Java.

You can use it simply as a "better Java" (since Java classes are imported just as easily), as a fully fledged functional programming language, or something in between.
1) Andiamo a vedere un'opera lirica alla Scala!

2) Scala:

def reverseAdd(N: Int) = N.toString.reverse.toInt + N

Java:

public int reverseAdd(int N) {

String s = "" + N;

String v = "";

for (int i = s.length() - 1; i >= 0; i--) {

v += s.charAt(i);

}

return N + Integer.parseInt(v);
}
Scala by Rosetta Rock September 26, 2011
Related Words
a girl that likes black and red
sandra loves scala so much she wears it everyday.
scala by Jessren March 4, 2005
Unit of measurement for temperature. Usually associated with awsmes.
Damn it's hot in here, it's like 100Scalas!
Noun: a item with an abundance of contradictory elements
Dunno how I felt about that gig, got high, got low, it was a total Scala.
Scala by OliverLang May 8, 2020

Scala Swag 

A wannabe rapper who thinks they are hot shit with all the ladies but in reality is a total faggot and douchebag
You are acting like scala swag
Scala Swag by bigbirdbaby January 17, 2012

Scala Gas 

To put your ass in someones face and fart
Wow, Dan just gave Ronnie one lethal dosage of Scala Gas.
Scala Gas by Corey J December 9, 2008