Add: a4 test cases

assignment4/Question2/StartGrading.java

@@ -0,0 +1,17 @@
+public class StartGrading {	
+	public static void testCourse() 
+	{ 
+		//  Since we cannot create any Course object,
+		//the testCourse method of the Course class must be empty. 
+	} 
+	public static void testMajorRequired()  
+	{   
+		//Since we cannot create any MajorRequired object,  
+		//the testMajorRequired method of the Course class must be empty. 
+    } 
+	public static void main(String[] args)  
+	{     
+		testCourse(); 
+		testMajorRequired(); 
+	} 
+}