How do you use isempty?
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
How do you use isempty?
Expert Solution
Step 1
- isEmpty() method belongs to java.
- isempty() function belongs to matlab.
- IsEmpty() function belongs to Visual Basic.
The usage of these functions depends on the programming language used.
Step 2
isEmpty() method of java:
It belongs to java string. It checks if a string is empty. If the length is 0, it returns true otherwise it returns false.
Example:
String s= "abcd";
System.out.println(s.isEmpty());
output:
false
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