Write a program that reads a file one character at a time and prints out how many characters are uppercase letters, lowercase letters, digits, white space, and something else. Characters.java 1 import java.io.File; 2 import java.io.FileNotFoundException; 3 import java.io.PrintWriter; 4 import java.util.Scanner; 5 6 public class Characters 7 { 8 public static void main(String[] args) throws FileNotFoundException { Scanner console = new Scanner(System.in); System.out.print("Input file: "); String inputFileName int uppercase int lowercase 9 10 11 12 console.next( ); 0; 0; 0; = 0; 0; 13 %3D 14 %3D int digits int whitespace int other 15 16 17 %D 18 while (. { 19 .) 20 21 if (. else if (. else if (. else if (. else other++; 22 .) { uppercase++; } .) { lowercase++; } .) { digits++; } .) { whitespace++; } 23 24 25 26 27 } 28 System.out.println("Uppercase: System.out.println("Lowercase: System.out.println("Digits: System.out.println("Whitespace: System.out.println("0ther: } + uppercase); + lowercase); + digits); + whitespace); + other); 29 30 II 31 32 33 34 35 }

Write a program that reads a file one character at a time and prints out how many characters are uppercase letters, lowercase letters, digits, white space, and something else. Characters.java 1 import java.io.File; 2 import java.io.FileNotFoundException; 3 import java.io.PrintWriter; 4 import java.util.Scanner; 5 6 public class Characters 7 { 8 public static void main(String[] args) throws FileNotFoundException { Scanner console = new Scanner(System.in); System.out.print("Input file: "); String inputFileName int uppercase int lowercase 9 10 11 12 console.next( ); 0; 0; 0; = 0; 0; 13 %3D 14 %3D int digits int whitespace int other 15 16 17 %D 18 while (. { 19 .) 20 21 if (. else if (. else if (. else if (. else other++; 22 .) { uppercase++; } .) { lowercase++; } .) { digits++; } .) { whitespace++; } 23 24 25 26 27 } 28 System.out.println("Uppercase: System.out.println("Lowercase: System.out.println("Digits: System.out.println("Whitespace: System.out.println("0ther: } + uppercase); + lowercase); + digits); + whitespace); + other); 29 30 II 31 32 33 34 35 }

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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Concept explainers

Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.

Question

Write a program that reads a file one character at a time and prints out how many characters are uppercase letters, lowercase letters, digits, white space, and something else.
Characters.java
1 import java.io.File;
2 import java.io.FileNotFoundException;
3 import java.io.PrintWriter;
4 import java.util.Scanner;
5
6 public class Characters
7 {
8
public static void main(String[] args) throws FileNotFoundException
{
Scanner console = new Scanner(System.in);
System.out.print("Input file: ");
String inputFileName
int uppercase
int lowercase
9
10
11
12
console.next( );
0;
0;
0;
= 0;
0;
13
%3D
14
%3D
int digits
int whitespace
int other
15
16
17
%D
18
while (.
{
19
.)
20
21
if (.
else if (.
else if (.
else if (.
else other++;
22
.) { uppercase++; }
.) { lowercase++; }
.) { digits++; }
.) { whitespace++; }
23
24
25
26
27
}
28
System.out.println("Uppercase:
System.out.println("Lowercase:
System.out.println("Digits:
System.out.println("Whitespace:
System.out.println("0ther:
}
+ uppercase);
+ lowercase);
+ digits);
+ whitespace);
+ other);
29
30
II
31
32
33
34
35 }

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