StringStuff

package test;

public class funkifier {
	public static void main(String[] args) {
		System.out.println(funky("unicorn"));
		System.out.println(funky2("unicorn"));
		System.out.println(funky3("unicorn"));
		System.out.println(mixer("cat", "dog"));
		System.out.println(mixer2("cat", "pineapple"));
	}

	static String funky(String s) {
		String output = "";
		for (int i = 0; i < s.length(); i++) {
			if (i % 2 == 0) {
				output += Character.toUpperCase(s.charAt(i));
			} else {
				output += Character.toLowerCase(s.charAt(i));
			}
		}
		return output;
	}

	static String funky2(String s) {
		s = Character.toUpperCase(s.charAt(0)) + s.substring(1, s.length());
		for (int i = 1; i < s.length(); i++) {
			if (i % 2 == 0) {
				s = s.substring(0, i) + Character.toUpperCase(s.charAt(i)) + s.substring(i + 1, s.length());
			} else {
				s = s.substring(0, i) + Character.toLowerCase(s.charAt(i)) + s.substring(i + 1, s.length());
			}
		}
		return s;
	}

	static String funky3(String s) {
		if (s.length() == 1) {
			return s.toUpperCase();
		} else if (s.length() % 2 == 1) {
			return "" + funky3(s.substring(0, s.length() - 1)) + Character.toUpperCase(s.charAt(s.length() - 1));
			
		} else {
			return "" + funky3(s.substring(0, s.length() - 1)) + Character.toLowerCase(s.charAt(s.length() - 1));
			
		}
	}
	
	static String mixer(String a, String b) {
		String output = "";
		for(int i=0; i<a.length();i++) {
			output += a.charAt(i) +""+ b.charAt(i);
		}
		return output;
	}
	
	static String mixer2(String a, String b) {
		String output = "";
		int aLen = a.length();
		int bLen = b.length();
		if(aLen < bLen) {
			String temp = a;
			a = b;
			b = temp;
			aLen = a.length();
			bLen = b.length();
		}
		for(int i = 0; i<aLen; i++) {
			output+=Character.toLowerCase(a.charAt(i));
			if(i<bLen) {
				output+=Character.toUpperCase(b.charAt(i));
			}
		}
		return output;
	}

}