Answered: Giving that the Counter class…

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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Question

Giving that the Counter class initializes itself to 0, and allows a client to increment it. Identify the possible output of the following code sequence:

Counter c = new Counter();

c.increment();

System.out.println(c);

A. 0. B. 1. C. 2. D. 3

Expert Solution

Step 1

Initially counter is initialized to 0 when Counter object c is created.

After c.increment() for first time, c becomes 1

After c.increment() for second time, c becomes 2

After c.increment() for thirdtime, c becomes 3

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