LECTURE NOTES
OCTOBER 29 2004

ASSIGNMENTS
Today 11:58 PM CodeLab #8
Mon 11/8 Assignment 3 Code

STRING MANIPULATION, CONT.

What?
- insert method
How?
- StringBuffer instance method
- first argument: index where insertion begins
- second argument: string to insert

EXAMPLE

Write pieces for a pig latin translator
		Hello. What street is that?
		ello-Hay. at-Whay eet-stray is-ay at-thay?

	- a helper to finds the index of the first vowel in a word
	- a method to turn a single word into pig latin
	- a helper to tell whether a character is a letter or not
	
	private boolean isLetter(char c) {
		return ( (c >='A' && c <='Z') || (c >='a' && c <='z') );
	}

	private String pigWord(String word) {
		int split = firstVowel(word);
		return word.substring(split)+"-"+word.substring(0, split)+"ay";
	}

	private int firstVowel(String word) {
		word = word.toLowerCase();
		for (int i=0; i<word.length(); i++)
			if (word.charAt(i)=='a' || word.charAt(i)=='e' ||
			    word.charAt(i)=='i' || word.charAt(i)=='o' ||
			    word.charAt(i)=='u')
				return i;
		return 0; // If no vowels, just be safe
	}ls