Scala example source code file (J_1.java)

This example Scala source code file (J_1.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

function1, function1, integer, integer, j_1, j_1, string, string

The Scala J_1.java source code

import scala.*;

class J_1 {
	scala.collection.mutable.HashMap<String, String> map =
		new scala.collection.mutable.HashMap<String, String>();
	
	Function1<Tuple2 f =
	  new scala.runtime.AbstractFunction1<Tuple2() {
	    public Integer apply(Tuple2<String, String> s) {
	      return s._1().length();
	    }
    };
		
	scala.collection.Seq<Integer> counts =
	  map.groupBy(f).keys().toList();
}