Refactor string and integer comparisons in Task class, and add test data for different task titles.

Task.java

@@ -63,16 +63,17 @@ public class Task {
 			int length = Math.min(tokens1.length, tokens2.length);
 
 			for (int i = 0; i < length; i++) {
-				if (Character.isLetter(tokens1[i].charAt(0)) && Character.isLetter(tokens2[i].charAt(0))) {
+				if (Character.isDigit(tokens1[i].charAt(0)) && Character.isDigit(tokens2[i].charAt(0))) {
-					int stringCompare = tokens1[i].compareTo(tokens2[i]);
-					
-					if (stringCompare != 0) 
-						return stringCompare;
-				} else {
 					int intCompare = Integer.compare(Integer.parseInt(tokens1[i]), Integer.parseInt(tokens2[i]));
 
 					if (intCompare != 0)
 						return intCompare;
+				} else {
+
+					int stringCompare = tokens1[i].compareTo(tokens2[i]);
+
+					if (stringCompare != 0)
+						return stringCompare;
 				}
 			}
 

Week9.java

@@ -154,6 +154,7 @@ public class Week9 {
 	// Test tasks, not read from a file and are not intended to be saved to a file.
 	private void testData() {
 		tasks.add(new Task("Title 1000", "Description ", "Due Date "));
+		tasks.add(new Task("100 Title", "Description ", "Due Date "));
 		for (int i = 20; i > 0; i--)
 			tasks.add(new Task("Title " + i, "Description " + i, "Due Date " + i));
 	}