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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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QUESTION 4: Object Orientation Analyse the following Java code segment and answer the questions that follow: 1| interface IMoveable { void move(); 3} 4 abstract class Insect implements IMoveable { private final int ID; /* remainder of class omitted */ 7 } 8 class Fly extends Insect { public void move() { System.out.println("I am flying but I can walk too."); } /* remainder of class omitted */ 11} 2 9 10 12 class Ant extends Insect { public void move() { System.out.println("I am walking."); } /* remainder of class omitted */ 15} 13 14 16 public class InsectSim { public static void main(String... args) { ArrayList<IMoveable> sims = new ArrayList<>(); sims.add(new Fly()); sims.add(new Ant()); for(IMoveable sim: sims) { sim.move(); } } 17 18 19 20 21 22 23 24 25 } Identify five (5) unique Java programming constructs/principles in the code above. List the line number and the programming constructs/principles, for example: Line 99 - Exception Handling.
Transcribed Image Text:QUESTION 4: Object Orientation Analyse the following Java code segment and answer the questions that follow: 1| interface IMoveable { void move(); 3} 4 abstract class Insect implements IMoveable { private final int ID; /* remainder of class omitted */ 7 } 8 class Fly extends Insect { public void move() { System.out.println("I am flying but I can walk too."); } /* remainder of class omitted */ 11} 2 9 10 12 class Ant extends Insect { public void move() { System.out.println("I am walking."); } /* remainder of class omitted */ 15} 13 14 16 public class InsectSim { public static void main(String... args) { ArrayList<IMoveable> sims = new ArrayList<>(); sims.add(new Fly()); sims.add(new Ant()); for(IMoveable sim: sims) { sim.move(); } } 17 18 19 20 21 22 23 24 25 } Identify five (5) unique Java programming constructs/principles in the code above. List the line number and the programming constructs/principles, for example: Line 99 - Exception Handling.
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