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use the following partial class definitions: public class A1 { public int x; private int y; public int z; … } public class A2 extends A1 { public int a; private int b; … } public class A3 extends A2 { private int q; … } 1) Which of the following is true with respect to A1, A2 and A3? a) A1 is a subclass of A2 and A2 is a subclass of A3 b) A3 is a subclass of A2 and A2 is a subclass of A1 c) A1 and A2 are both subclasses of A3 d) A2 and A3 are both subclasses of A1 e) A1, A2 and A3 are all subclasses of the class A

use the following partial class definitions: public class A1 { public int x; private int y; public int z; … } public class A2 extends A1 { public int a; private int b; … } public class A3 extends A2 { private int q; … } 1) Which of the following is true with respect to A1, A2 and A3? a) A1 is a subclass of A2 and A2 is a subclass of A3 b) A3 is a subclass of A2 and A2 is a subclass of A1 c) A1 and A2 are both subclasses of A3 d) A2 and A3 are both subclasses of A1 e) A1, A2 and A3 are all subclasses of the class A

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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use the following partial class definitions:
public class A1
{
public int x;
private int y;
public int z;
…
}
public class A2 extends A1
{
public int a;
private int b;
…
}
public class A3 extends A2
{
private int q;
…
}

1) Which of the following is true with respect to A1, A2 and A3?
a) A1 is a subclass of A2 and A2 is a subclass of A3
b) A3 is a subclass of A2 and A2 is a subclass of A1
c) A1 and A2 are both subclasses of A3
d) A2 and A3 are both subclasses of A1
e) A1, A2 and A3 are all subclasses of the class A

 

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