Add simple argument check.

HttpsTest.java

@@ -10,6 +10,10 @@ public class HttpsTest{
 	public static void main(String [] args){
 
 		//System.out.println(args[0]);
+		if(args.length < 1){
+			System.out.println("Usage: [https_test] <URL>");
+			System.exit(1);
+		}
 
 		try{