Determine whether the follwing array declarations are valid, if a declaration is invalid, explain why: d. double[-50] ratings[]; e. string flowers[35]; f. int SIZE = 10; double sales[2 * SIZE]; g. int MAX_SIZE = 50; double sales[100 - 2 * MAX_SIZE];
Determine whether the follwing array declarations are valid, if a declaration is invalid, explain why: d. double[-50] ratings[]; e. string flowers[35]; f. int SIZE = 10; double sales[2 * SIZE]; g. int MAX_SIZE = 50; double sales[100 - 2 * MAX_SIZE];
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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Determine whether the follwing array declarations are valid, if a declaration is invalid, explain why:
d. double[-50] ratings[];
e. string flowers[35];
f. int SIZE = 10;
double sales[2 * SIZE];
g. int MAX_SIZE = 50;
double sales[100 - 2 * MAX_SIZE];
Expert Solution
Step 1
(d)
The declaration is invalid due to multiple reasons. Firstly the array size should be specified after the array name, secondly the array size has to be a positive number. The correct declaration is double ratings[50];
(e)
The declaration is valid.
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