worked again

src/Complex.java

 public class Complex {
 
   public double real;
-  public double image;
+  public double imag;
 
   public Complex()
   {
     real = 0;
-    image = 0;
+    imag = 0;
   }
 
 
   public Complex(double r, double i)
   {
     real = r;
-    image = i;
+    imag = i;
+    
   }
 
   public double imag()
   {
-    return image;
+    return imag;
   }
 
   public double real()
@@ -35,30 +36,25 @@ public class Complex {
   {
     return Math.atan2(this.imag(),this.real());
   }
-
   public String toString()
   {
     String str = "";
-
     if (this.real() != 0) {
       str = str + this.real();
 
-      if (this.image > 0) {
+      if (this.imag > 0) {
         str = str + " + ";
       } 
 
-      if (this.image < 0) {
+      if (this.imag < 0) {
         str = str + " - ";
       }
     } 
-
-    if (this.image != 0) {
+    if (this.imag != 0) {
       str = str + "j" + Math.abs(this.imag());
     }
-    
     return str;
   }
-
   public Complex add(Complex complex)
   {
     Complex answervalue = new Complex(this.real() + complex.real(),this.imag() + complex.imag());