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Choices:  a. abs b. absoluteValue c. ceil d. ceiling e. char f. double g. floor h. import java.lang.*; i. import java.util.*; j. import java.util.Character; k. import java.util.Math; l. int m. isDigit n. isNumeric o. length p. max q. min r. sqrt s. String t. substring u. toCapital v. toCapitalCase w. toUpperCase x. valueOf()

Choices:  a. abs b. absoluteValue c. ceil d. ceiling e. char f. double g. floor h. import java.lang.*; i. import java.util.*; j. import java.util.Character; k. import java.util.Math; l. int m. isDigit n. isNumeric o. length p. max q. min r. sqrt s. String t. substring u. toCapital v. toCapitalCase w. toUpperCase x. valueOf()

Database System Concepts
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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Choices: 

a. abs
b. absoluteValue
c. ceil
d. ceiling
e. char
f. double
g. floor
h. import java.lang.*;
i. import java.util.*;
j. import java.util.Character;
k. import java.util.Math;
l. int
m. isDigit
n. isNumeric
o. length
p. max
q. min
r. sqrt
s. String
t. substring
u. toCapital
v. toCapitalCase
w. toUpperCase
x. valueOf()
What method of the Character class is used to determine if a given character is a digit? Choose from the given choices. *
Transcribed Image Text:What method of the Character class is used to determine if a given character is a digit? Choose from the given choices. *
An application that is created using the Java programming language may be a collection of classes and each class has methods and data members. Some of the classes involved in an application are predefined and their methods are designed to perform a specific task. The predefined classes are organized into collections of classes known as class libraries or packages. Three commonly used predefined classes are the Math class, the Character class, and the String class. The Math class contains predefined methods for performing mathematical operations. For example, sqrt is a method in the predefined Math class and it (the sqrt method) is used to calculate the square root of a number. The Character class contains predefined methods for character manipulation. For example, the toLowerCase method in the predefined Character class is used to change a given character value to lowercase if the character value is a capital letter. The String class contains predefined methods for manipulating strings. To use the methods of a predefined class, the library or package that contains the predefined class must be imported by an import statement.
Transcribed Image Text:An application that is created using the Java programming language may be a collection of classes and each class has methods and data members. Some of the classes involved in an application are predefined and their methods are designed to perform a specific task. The predefined classes are organized into collections of classes known as class libraries or packages. Three commonly used predefined classes are the Math class, the Character class, and the String class. The Math class contains predefined methods for performing mathematical operations. For example, sqrt is a method in the predefined Math class and it (the sqrt method) is used to calculate the square root of a number. The Character class contains predefined methods for character manipulation. For example, the toLowerCase method in the predefined Character class is used to change a given character value to lowercase if the character value is a capital letter. The String class contains predefined methods for manipulating strings. To use the methods of a predefined class, the library or package that contains the predefined class must be imported by an import statement.
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