Programming Assignment #86

Code

//It causes the program to crash because the string isn't that long.
//The length would be 3 and the last character would be at 2.
//If it was i <= message.length() the program would crash

import java.util.Scanner;

public class Letters
{
	public static void main( String[] args )
	{
		Scanner kb = new Scanner(System.in);

		System.out.print("What is your message? ");
		String message = kb.nextLine();

		System.out.println("\nYour message is " + message.length() + " characters long.");
		System.out.println("The first character is at position 0 and is '" + message.charAt(0) + "'.");
		int lastpos = message.length() - 1;
		System.out.println("The last character is at position " + lastpos + " and is '" + message.charAt(lastpos) + "'.");
		System.out.println("\nHere are all the characters, one at a time:\n");

		for ( int i=0; i < message.length(); i++ )
		{
			System.out.println("\t" + i + " - '" + message.charAt(i) + "'");
		}

		int a_count = 0;

		for ( int i=0; i < message.length(); i++ )
		{
			String letter = "" + message.charAt(i);
			if ( letter.equalsIgnoreCase("e") || letter.equalsIgnoreCase("i") || letter.equalsIgnoreCase("a") || letter.equalsIgnoreCase("o") || letter.equalsIgnoreCase("u"))
			{
				a_count++;
			}
		}

		System.out.println("\nYour message contains a vowel " + a_count + " times. Isn't that interesting?");

	}
}


  

Outputs