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Java Programming by Pearson
book

Java Programming by Pearson

by Hari Mohan Pandey
May 2024
Intermediate to advanced content levelIntermediate to advanced
889 pages
37h 5m
English
Pearson India
Content preview from Java Programming by Pearson
614 • Java Programming
Explanation: This program shows how cloning can be dangerous some times. There is a class demo1 with
just one member str of String type. A reference of this demo1 class named d1 is a member of demo2
class. The member str of demo1 class is initialized with value ‘ Test ’ when constructor of demo2 class
is called. Using the getClone method of demo1 class a cloned object is obtained and is stored in B . In
this cloning operation, only the member num is copied to object B but both objects share a single copy of
reference d1 . Now, changes performed to str through this reference d1 by any of the object A
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Publisher Resources

ISBN: 9781299486539