All test passed

src/Complex.java

@@ -56,8 +56,9 @@ public class Complex {
 
   public Complex add(Complex complexNum)
   {
-    Complex answer = new Complex(0.0,0.0);
-
+    Double ansreal = complexNum.real + real;
+    Double ansimag = complexNum.imag + imag;
+    Complex answer = new Complex(ansreal,ansimag);
     return answer;
   }