Question-20. What does the following Java coding snippet print as its output? class Cluster { class Node1 extends Cluster { class Node2 extends Cluster { public class TestApp { public static void main(String[] args) { Cluster tree = new Nodel(); if (tree instanceof Nodel) System.out.println("Nodel"); else if (tree instanceof Cluster) System.out.println("Cluster"); else if (tree instanceof Node2) System.out.println("Node2"); else System.out.println("Unexpected"); } A. Cluster B. Node1 C. Node2 D. Unexpected
Question-20. What does the following Java coding snippet print as its output? class Cluster { class Node1 extends Cluster { class Node2 extends Cluster { public class TestApp { public static void main(String[] args) { Cluster tree = new Nodel(); if (tree instanceof Nodel) System.out.println("Nodel"); else if (tree instanceof Cluster) System.out.println("Cluster"); else if (tree instanceof Node2) System.out.println("Node2"); else System.out.println("Unexpected"); } A. Cluster B. Node1 C. Node2 D. Unexpected
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-20. What does the following Java coding snippet print as its output?
class Cluster {
}
class Nodel extends Cluster {
}
class Node2 extends Cluster {
}
public class TestApp {
public static void main (String[] args) {
Cluster tree = new Nodel();
if (tree instanceof Nodel)
System.out.println("Nodel");
else if (tree instanceof Cluster)
System.out.println("Cluster");
else if (tree instanceof Node2)
System.out.println("Node2");
else
System.out.println("Unexpected");
}
A. Cluster
B. Node1
C. Node2
D. Unexpected](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1c72c12-02a0-48ee-b37f-165189581528%2Fc6475ccf-282e-4fb2-b342-722cd029246b%2Fj7hg647_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question-20. What does the following Java coding snippet print as its output?
class Cluster {
}
class Nodel extends Cluster {
}
class Node2 extends Cluster {
}
public class TestApp {
public static void main (String[] args) {
Cluster tree = new Nodel();
if (tree instanceof Nodel)
System.out.println("Nodel");
else if (tree instanceof Cluster)
System.out.println("Cluster");
else if (tree instanceof Node2)
System.out.println("Node2");
else
System.out.println("Unexpected");
}
A. Cluster
B. Node1
C. Node2
D. Unexpected
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