Answered: Using Java Implement a class that does…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Using Java

Implement a class that does string manipulation by overloading the following operators: <<, >>, = and ==. For example, consider the following code:

StrShift example;

example = “Microsoft”;

printf(“\”example << 2\” results in %s\n“, example << 2);

In the above code the output would be “ftMicroso” which shows the last two characters of the string “Microsoft” rotated to the left of the string. Please note that state is maintained so two calls of example << 1 would give the same end result as calling example << 2 once. Consideration will be given to correctness, design, code readability as well as any unit testing. As part of a final solution please submit test cases you used to verify correctness in addition to any unit tests done.

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