Section 2 complete

src/main/java/com/zipcoder/payment/Check.java

     String payerName;
     String routingNumber;
     String accountNumber;
+    int compare;
 
     public Check(){
         id = 12345;
         payerName = "Tia Mowry";
         routingNumber = "987654321";
         accountNumber = "0123456789";
+        compare = 0;
     }
 
     public Long getId() {
     }
 
     public int compareTo(Payment o) {
-        return 0;
+        if (this.getShortDescription().compareTo(o.getShortDescription()) < 0){
+            compare = -1;
+        }
+        else if (this.getShortDescription().compareTo(o.getShortDescription()) > 0){
+            compare = 1;
+        }
+
+        else{
+            compare = 0;
+        }
+
+        return compare;
     }
 }

src/main/java/com/zipcoder/payment/PayPal.java

         long id;
         String payerName;
         String email;
+        int compare;
 
     public PayPal(){
         id = 12345;
         payerName = "Tia Mowry";
         email = "tia@mowry.com";
+        compare = 0;
     }
 
     public Long getId() {
     }
 
     public int compareTo(Payment o) {
-        return 0;
+        if (this.getShortDescription().compareTo(o.getShortDescription()) < 0){
+            compare = -1;
+        }
+        else if (this.getShortDescription().compareTo(o.getShortDescription()) > 0){
+            compare = 1;
+        }
+
+        else{
+            compare = 0;
+        }
+
+        return compare;
     }
 }

src/test/java/com/zipcoder/payment/PayPalTest.java

          String actualGetShortDescription = payPal.getShortDescription();
         assertEquals(expectedGetShortDescription, actualGetShortDescription);
     }
+
+    @Test
+    public void compareTo1() {
+        CreditCard creditCard = new CreditCard();
+        PayPal payPal = new PayPal();
+        int expectedCompareTo = 1;
+        int actualCompareTo = payPal.compareTo(creditCard);
+        assertEquals(expectedCompareTo, actualCompareTo);
+    }
+
+    @Test
+    public void compareTo2() {
+        Check check = new Check();
+        PayPal payPal = new PayPal();
+        int expectedCompareTo = 1;
+        int actualCompareTo = payPal.compareTo(check);
+        assertEquals(expectedCompareTo, actualCompareTo);
+    }
+
+    @Test
+    public void compareTo3() {
+        PayPal payPal = new PayPal();
+        int expectedCompareTo = 0;
+        int actualCompareTo = payPal.compareTo(payPal);
+        assertEquals(expectedCompareTo, actualCompareTo);
+    }
 }