CSc 335 Fall 2005 Practice Test Questions
Test 2: Tuesday, 25-Oct, 2005
This is not a test, but rather a collection of questions like the ones that will be on the test.
It is longer than the actual test will be.
Sincerely Rick Mercer in San Diego
1. Using the classes on the right, for each line of code to the left, write the output in the space provided.
Abba a = new Abba("Kim");
Bar b = new Bar("Devon");
Goo g = new Goo("Chris");
a.one(); // __________________________________
System.out.println("\n");
a.two(); // __________________________________
System.out.println("\n");
b.one(); // __________________________________
System.out.println("\n");
b.two(); // __________________________________
System.out.println("\n");
b.three();// _________________________________
System.out.println("\n");
g.one(); // __________________________________
System.out.println("\n");
g.two(); // __________________________________
System.out.println("\n");
g.three();// __________________________________
System.out.println("\n");
class Abba extends Object
{
private String id;
public Abba(String ID) {
id = ID + " ";
}
public String getID() {
return id;
}
public void one() {
System.out.print("A1 " + getID());
}
public void two() {
System.out.print("A2 ");
three();
}
public void three() {
System.out.print("A3 " + getID());
}
}
////////////////////////////////////
class Bar extends Abba {
public Bar(String id)
{
super(id);
}
public void one()
{
two();
}
public void three()
{
System.out.print("B3 " + getID());
}
}
////////////////////////////////////
class Goo extends Bar {
public Goo(String ID)
{
super("X" + ID + "X");
}
public void two() {
System.out.print("G2 ");
super.three();
}
public void three() {
System.out.print("G3 ");
}
}
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