JavaPatternMatching/resources/AllgemeinTest/StreamTest.jav

import java.util.stream.Stream;
import java.util.Vector;
import java.lang.Integer;

class StreamTest {

      m() {
      	     var vecInt = new Vector<Integer>();
	     var strInt = vecInt.stream();
	     var dup = x -> x*2;
	     strInt.map(dup);
	     return dup;
      }
}