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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

You have a class named AirConditioner that has a private boolean field named on. It has method named turnOn that sets the field to true and one named turnOff that set it to false. It also has a method named isOn that returns the value of the on field. You have made an object of this class named myAC. If it is not already on, you want the AC on. Fill in the blank to make this happen.

if (!myAC.isOn()) {

___________________
}

A class named Book has two String fields: title and author. Write the header for a full constructor for this class. Include the opening brace.

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