Scala example source code file (bug2552.scala)

This example Scala source code file (bug2552.scala) 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

app, app, int, int, test, test

The Scala bug2552.scala source code

object Test extends App {
	def testTakeWhile = {
		val numbers = Iterator.range(0, 50)
		val zeroTo9 = numbers.takeWhile(x => { println("p(" + x + ")"); x < 10 } )
		
		zeroTo9.foreach(println _)
		
		val zeroTo1 = Iterator.range(0, 20).takeWhile(x => { println("p(" + x + ")"); x < 2 } )
	
		println(zeroTo1.hasNext)
		println(zeroTo1.hasNext)
		println(zeroTo1.next)
		println(zeroTo1.hasNext)
		println(zeroTo1.next)
		println(zeroTo1.hasNext)
		println(zeroTo1.hasNext)
	}
	
	def testFilter = {
		val predicate = (x: Int) => { println("p(" + x + ")"); x % 2 == 0 }
		
		val evens = Iterator.range(0, 10).filter(predicate)
		
		println(evens.hasNext)
		println(evens.hasNext)
		println(evens.next)
		
		evens.foreach(println _)
	}

	testTakeWhile
	testFilter
}