Question

Name: Jiasong Wu Consider the following code fragment taken from a package: public class Wisconsin extends State { Wisconsin() {/null constructor/} public void printMe () {System.out.println("Read it.");} public static void main(String[] args) { Region mid = new State(); State wi = new Wisconsin(); Object obj = new Place(); Place usa = new Region(); wi.printMe(); mid.printMe(); ((Place) obj).printMe(); obj = wi; ((Wisconsin) obj).printMe(); obj = usa; ((Place) obj).printMe(); usa = wi; ((Place) usa).printMe(); } } class State extends Region { State(){} public void printMe () {System.out.println("Ship it."); } } class Region extends Place{ Region(){} public void printMe () {System.out.println("Box it.");} } class Place extends Object{ Place(){} public void printMe () {System.out.println("Buy it.");} } What is the output from calling the method of the Wisconsin class?

          Name: Jiasong Wu
Consider the following code fragment taken from a package:
public class Wisconsin extends State {
Wisconsin() {/*null constructor*/}
public void printMe () {System.out.println("Read it.");}
public static void main(String[] args) {
Region mid = new State();
State wi = new Wisconsin();
Object obj = new Place();
Place usa = new Region();
wi.printMe();
mid.printMe();
((Place) obj).printMe();
obj = wi;
((Wisconsin) obj).printMe();
obj = usa;
((Place) obj).printMe();
usa = wi;
((Place) usa).printMe();
}
}
class State extends Region {
State(){}
public void printMe () {System.out.println("Ship it."); }
}
class Region extends Place{
Region(){}
public void printMe () {System.out.println("Box it.");}
}
class Place extends Object{
Place(){}
public void printMe () {System.out.println("Buy it.");}
}
What is the output from calling the method of the Wisconsin class?

Name: Jiasong Wu
Consider the following code fragment taken from a package:
public class Wisconsin extends State
Wisconsin() /*null constructor*/
public void printMe () System.out.println("Read it.");
public static void main(String[] args)
Region mid = new State();
State wi = new Wisconsin();
Object obj = new Place();
Place usa = new Region();
wi.printMe();
mid.printMe();
((Place) obj).printMe();
obj = wi;
((Wisconsin) obj).printMe();
obj = usa;
((Place) obj).printMe();
usa = wi;
((Place) usa).printMe();

class State extends Region
State()
public void printMe () System.out.println("Ship it.");

class Region extends Place
Region()
public void printMe () System.out.println("Box it.");

class Place extends Object
Place()
public void printMe () System.out.println("Buy it.");

What is the output from calling the method of the Wisconsin class?

Added by Gonzalo U.

Question

Please give Ace some feedback