Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
5th Edition
ISBN: 9780135472118
Author: Stuart Reges, Marty Stepp
Publisher: PEARSON
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Chapter 15.2, Problem 13SCP

Explanation of Solution

Justification:

  • The “indexOf” method is used to search for the location of a value in the list. Sometimes, the client wants to search the particular value appear in the list for that purpose the “contains” method is used in the program.
    • If the value is not present in the list, the “indexOf” method returns -1 as a value. So, the “contains” method check the returned value of “indexOf” method is greater than or equal to 0.
    • Finally, it returns the Boolean value as a result...

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