Write a program that reads a file a character at a time and prints out how many
ID: 3759746 • Letter: W
Question
Write a program that reads a file a character at a time and prints out how many times the vowels a e i o u occur (in upper- or lowercase).
Complete the following file:
Vowels.java
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;
public class Vowels
{
public static void main(String[] args) throws FileNotFoundException
{
String vowels = "aeiou";
int[] counters = new int[vowels.length()];
Scanner console = new Scanner(System.in);
System.out.print("Input file: ");
String inputFileName = console.next();
. . .
for (int i = 0; i < vowels.length(); i++)
{
System.out.println(vowels.charAt(i) + ": " + counters[i]);
}
}
}
Explanation / Answer
Vowels.java
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;
public class Vowels
{
public static void main(String[] args) throws FileNotFoundException
{
String vowels = "aeiou";
int[] counters = new int[vowels.length()];
Scanner console = new Scanner(System.in);
System.out.print("Input file: ");
String inputFileName = console.next();
. . .
for (int i = 0; i < vowels.length(); i++)
{
System.out.println(vowels.charAt(i) + ": " + counters[i]);
}
}
}