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Computer Engineering
class Person { String name; public Person(String name) { this.name = name; } public int hashCode() { return 0; } public boolean equals(Object other) { if (! (other instanceof Person)) return false; Person otherPerson = (Person) othe return otherPerson.name.equals(th- } }

class Person { String name; public Person(String name) { this.name = name; } public int hashCode() { return 0; } public boolean equals(Object other) { if (! (other instanceof Person)) return false; Person otherPerson = (Person) othe return otherPerson.name.equals(th- } }

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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Assume we insert N instances of the following Person class, each with a different name, into a probing hashtable. Then we look up a single Person instance in the table. Which of the following is true (select all correct responses)? class Person { String name; public Person(String name) { this.name = name; } public int hashCode() { return 0; } public boolean equals(0bject other) { if (! (other instanceof Person)) return false; Person otherPerson = (Person) other; return otherPerson.name.equals(this.name); } } O The lookup operation will take E(1) time. The lookup operation will take E(log N) time. O The lookup operation will take e(N) time. O The lookup operation will return 'false', even if an instance with matching name is in the hash table. O The lookup operation may return 'true', even if no instance with matching name is in the hash table.
Transcribed Image Text:Assume we insert N instances of the following Person class, each with a different name, into a probing hashtable. Then we look up a single Person instance in the table. Which of the following is true (select all correct responses)? class Person { String name; public Person(String name) { this.name = name; } public int hashCode() { return 0; } public boolean equals(0bject other) { if (! (other instanceof Person)) return false; Person otherPerson = (Person) other; return otherPerson.name.equals(this.name); } } O The lookup operation will take E(1) time. The lookup operation will take E(log N) time. O The lookup operation will take e(N) time. O The lookup operation will return 'false', even if an instance with matching name is in the hash table. O The lookup operation may return 'true', even if no instance with matching name is in the hash table.
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