added adjacencylist class

CS311_final_project/src/main/AdjacencyList.java

+package main;
+
+public class AdjacencyList {
+
+}

CS311_final_project/src/main/Main.java

 package main;
 
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.Scanner;
+
 public class Main {
 
+	public static void main(String[] args){
+		
+		//reads args[0] for input file path
+		File file = new File(args[0]);
+		try {
+			Scanner in = new Scanner(file);
+			
+		} catch (FileNotFoundException e) {
+			System.err.println("Error in opening the file: " + args[0] + ". Please check the file path.");
+		}
+		
+		
+	}	
+	
+	
 }

CS311_final_project/src/test/Test.java

 package test;
 
 public class Test {
+	
+	public static void main(String[] args){
+		
+	}
 
 }