Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
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Chapter 19.4, Problem 19.4.1CP
Program Plan Intro

Generic Type:

Generic is a feature to detect errors at compile time rather than at run time. A set of methods are written in a single method declaration.

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Java: Code a generic class called Location that describes a point in the xy plane. The Location class requires instances variables to represent the x and y coordinates, a parameterized constructor, one method to change both coordinates of the point (both x and y), getX and getY methods and a toString. These are the only methods in this class.  The class uses a generic type so that any numeric value can be used for the coordinates (2 integers, 2 floats, 2 doubles, etc)  or 2 Strings (for example three and ten). Write a code segment in main(  ) to thoroughly test the class Location. Your code segment should create two locations, one represented by a pair of real numbers and one represented by a pair of Strings.
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please help me understand the following code in java on the topic: Generic Class some questions I have is why  item1 = 9999 and what is happening in this code.
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