1z0-809 Leak Questions

Given the code fragment:

List values = Arrays.asList (1, 2, 3);

values.stream ()

.map(n -> n*2)//line n1

.peek(System.out::print)//line n2

.count();

What is the result?

Given the code fragments:

and

What is the result?

Given:

public class Canvas implements Drawable {

public void draw () { }

}

public abstract class Board extends Canvas { }

public class Paper extends Canvas {

protected void draw (int color) { }

}

public class Frame extends Canvas implements Drawable {

public void resize () { }

}

public interface Drawable {

public abstract void draw ();

}

Which statement is true?

and the code fragment?

What is the result?