work in progress:part3 done

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

 package com.zipcoder.payment;
 
 public class Check implements Payment {
-    long id;
-    String payerName;
+    private long id;
+    private String payerName;
+    private String routingNumber;
+    private String accountNumber;
+
+
 
     public Long getId() {
-        return null;
+        return this.id;
     }
 
     public void setId(long id){
     }
 
     public String getPayerName() {
-        return null;
+        return this.payerName;
     }
 
     public void setPayerName(String payerName) {
     }
 
 
-    public String getRountingNumber(){
-
+    public String getRoutingNumber(){
+        return this.routingNumber;
     }
 
-    public String setRountingNumber(){
-
+    public void setRoutingNumber(String routingNumber){
 
+    this.routingNumber = routingNumber;
     }
 
     public String getAccountNumber(){
-
+      return this.accountNumber;
 
     }
 
-    public String setAccountNumber(){
+    public void setAccountNumber(String accountNumber){
+        this.accountNumber = accountNumber;
 
-        
     }
 
     public String getShortDescription() {
-        return null;
+
+
+        return "Check" + getPayerName() + " " + "***" + getAccountNumber().substring(accountNumber.length()-4,accountNumber.length()-1);
     }
 }

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

 package com.zipcoder.payment;
+import org.junit.Assert;
+import org.junit.Test;
+
 
 public class CheckTest {
+
+    @Test
+    public void testGetId() {
+        Check check = new Check();
+        long expected = 12312;
+        check.setId(12312);
+        long actual = check.getId();
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetId(){
+        Check check = new Check();
+        check.setId(12345);
+        long expected = 12345;
+        long actual = check.getId();
+        Assert.assertEquals(expected,actual);}
+
+
 }
+
+

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

     public void setPayerName() {
     }
 
-    @Test
-    public void getShortDescription1() {
-    }
 
     @Test
     public void getNumber() {