package labPT;

class PTA0 {
	String[] data;

	public PTA0(String parm) {
		data=PTData.getData(parm);
	}

	public String getFirst() {
		if (data==null || data.length==0) return "";
		String first=data[0]; // must be a data[0] if we get here
		for(String word : data) {
			if (first.compareTo(word) > 0) first=word;
		}
		return first;
	}

	public void printData() {
		for(String word : data) System.out.println(word);
	}

	public static void main(String[] args) {
		PTA0 obj = new PTA0("A0");
		obj.printData();
		System.out.println("First word: " + obj.getFirst());
	}
}