diff --git a/.idea/misc.xml b/.idea/misc.xml
index e208459..53f706d 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
diff --git a/src/uoft/csc207/week2/Main.java b/src/uoft/csc207/week2/Main.java
index 648f0d3..dc8a4af 100644
--- a/src/uoft/csc207/week2/Main.java
+++ b/src/uoft/csc207/week2/Main.java
@@ -3,8 +3,15 @@
 public class Main {
 
     public static void main(String[] args) {
-        String[] name = {"First", "Middle", "Last"};
-	    Person p = new Person(name, "moogah");
-        System.out.println(p);
+        String[] name = {"First", "Middle", "Last"}; // string array object; array of strings
+        // array is like a list, but it doesn't grow or shrink
+	    Person p = new Person(name, "moogah"); // Person class
+        Person s = new Student(name, "froogal", "132141546");
+        // because we declared it as a person, it knows it is a superclass
+        System.out.println(p); // out's type is print stream
+        // toString annotation
+        // Ctrl + Click for finding where the variable is defined
+        // null is like None but its not even an object
+        // ternary operator...
     }
 }
diff --git a/src/uoft/csc207/week2/Person.java b/src/uoft/csc207/week2/Person.java
index 24a57e3..483ecf0 100644
--- a/src/uoft/csc207/week2/Person.java
+++ b/src/uoft/csc207/week2/Person.java
@@ -1,12 +1,19 @@
-package uoft.csc207.week2;
+package uoft.csc207.week2; // collection of related classes
 
 /**
  * A person at the UofT.
  */
 class Person {
 
-    /** The person's name (family name last).  */
-    String[] name;    /** The person's UTORid */  String utorid;
+    /**
+     * The person's name (family name last).
+     */
+    String[] name; // specifically declare type and name, like __init__
+    /**
+     * The person's UTORid
+     */
+    String utorid;
+
     /**
      * Initialize this Person named name with UTORid utorid.
      *
@@ -14,29 +21,35 @@ class Person {
      * @param utorid the person's UTORid
      */
     Person
-    (String[] name, String utorid){this.name=name;this.utorid=utorid;}
+    (String[] name, String utorid) {
+        this.name = name;
+        this.utorid = utorid;
+    }
 
     /**
      * Return a string representation of this person with this format:
      * 'last name, other names: utorid'
+     *
      * @return a string representation of this person
      */
-    public String toString(){
-        return this.formatName()+": "+this.utorid;
+    public String toString() {
+        return this.formatName() + ": " + this.utorid;
     }
 
     /**
      * Return the name formatted as a str. The last name is first, then a
      * comma, then the rest of the names.
+     *
      * @return the name formatted as a str.
      */
     String formatName() {
         String formattedName = this.name[name.length - 1] + ",";
-                   int i = 0;
-        while (i != this.name.length - 1) {            formattedName =
-                formattedName+" "+this.name[i];
+        int i = 0;
+        while (i != this.name.length - 1) {
+            formattedName = formattedName + " " + this.name[i];
             i += 1;
-        }
+        } // Java doesn't care about spaces and indents!
+        // don't need to worry about style errors as much
 
         return formattedName;
     }
diff --git a/src/uoft/csc207/week2/Student.java b/src/uoft/csc207/week2/Student.java
new file mode 100644
index 0000000..48b86ca
--- /dev/null
+++ b/src/uoft/csc207/week2/Student.java
@@ -0,0 +1,13 @@
+package uoft.csc207.week2;
+// "don't type code, type stuff and make IntelliJ do everything!"
+public class Student extends Person {
+    private final String studentid; // wow! create field
+    // need a type and variable name, but can add optional modifiers
+    // "final says you can only assign to it once, it's its final value"
+    // private is accessibility modifier - specifies where the name can be used in the program
+    // only in the curly brackets of the class
+    public Student(String[] name, String utorid, String studentid) {
+        super(name, utorid); // calls the parent's constructor
+        this.studentid = studentid;
+    }
+}