changed public data field to private data field

app/src/main/java/com/codepath/example/customadapterdemo/CustomUsersAdapter.java

@@ -16,18 +16,21 @@ public CustomUsersAdapter(Context context, ArrayList<User> users) {
 
      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
-        // Get the data item for this position
-        User user = getItem(position);    
+
         // Check if an existing view is being reused, otherwise inflate the view
         if (convertView == null) {
            convertView = LayoutInflater.from(getContext()).inflate(R.layout.item_user, parent, false);
         }
-        // Lookup view for data population
+
+         // Get the data item for this position
+         User user = getItem(position);
+
+         // Lookup view for data population
         TextView tvName = (TextView) convertView.findViewById(R.id.tvName);
         TextView tvHome = (TextView) convertView.findViewById(R.id.tvHometown);
         // Populate the data into the template view using the data object
-        tvName.setText(user.name);
-        tvHome.setText(user.hometown);
+        tvName.setText(user.getName());
+        tvHome.setText(user.getHometown());
         // Return the completed view to render on screen
         return convertView;
     }

app/src/main/java/com/codepath/example/customadapterdemo/User.java

@@ -3,14 +3,26 @@
 import java.util.ArrayList;
 
 public class User {
-	public String name;
-	public String hometown;
+
+	//declare private data instead of public to ensure the privacy of data field of each class
+	private String name;
+	private String hometown;
 
 	public User(String name, String hometown) {
 		this.name = name;
 		this.hometown = hometown;
 	}
 
+	//retrieve user's name
+	public String getName(){
+		return name;
+	}
+
+	//retrieve users' hometown
+	public String getHometown(){
+		return hometown;
+	}
+
 	public static ArrayList<User> getUsers() {
 		ArrayList<User> users = new ArrayList<User>();
 		users.add(new User("Harry", "San Diego"));