Answered: In relations to Java why must you be…

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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In relations to Java why must you be careful when comparing floating-point values for equality?

Expert Solution

Step 1

Floating-point values for equality :

Do Not use (== and !==) with floating point

Floating point values (double and float) should be considered approximate in most cases and should be compared for equality with caution. In most cases, the == and != operators should NOT be used.

You can use (>, >=, <, <=) with floating point

It will usually be convenient to use the relative value operators (>, >=, <, <=), but you should always remember that the values will only be approximate.

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