1z0-809 Exam Dumps : Java SE 8 Programmer II

Given:

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?

Given:

class Vehicle {

int vno;

String name;

public Vehicle (int vno, String name) {

this.vno = vno,;

this.name = name;

}

public String toString () {

return vno + “:” + name;

}

}

and this code fragment:

Set vehicles = new TreeSet <> ();

vehicles.add(new Vehicle (10123, “Ford”));

vehicles.add(new Vehicle (10124, “BMW”));

System.out.println(vehicles);

What is the result?