+ Added comments to code

src/com/jordan/Complex.java

@@ -3,71 +3,72 @@ package com.jordan;
 public class Complex
 {
 
-    private double realPart;
-    private double imaginaryPart;
+    private double realPart_;
+    private double imaginaryPart_;
     
     public Complex(double realPart, double imaginaryPart)
     {
-	this.realPart = realPart;
-	this.imaginaryPart = imaginaryPart;
+	this.realPart_ = realPart; // set the real
+	this.imaginaryPart_ = imaginaryPart;
     }
     
     public Complex()
     {
-	this(0,0);
+	this(0,0); // initialize this class with the other constructor
     }
     
     public double real()
     {
-	return this.realPart;
+	return this.realPart_; // return the realPart_ variable
     }
     
     public double imag()
     {
-	return this.imaginaryPart;
+	return this.imaginaryPart_; // return the imaginaryPart_ variable
     }
 
     public double magnitude()
     {
-	double val = Math.sqrt( ( Math.pow(realPart, 2) + Math.pow(imaginaryPart, 2) ) );
+	double val = Math.sqrt( ( Math.pow(this.realPart_, 2) + Math.pow(this.imaginaryPart_, 2) ) ); // calculate the magnitude of the Complex numbers
 	return val;
     }
     
     public double argument()
     {
-	double val = Math.atan2(this.imaginaryPart, this.realPart);
+	double val = Math.atan2(this.imaginaryPart_, this.realPart_); // calculate the argument of the Complex numbers
 	return val;
     }
 
     public Complex add(Complex b)
     {
-	double real = this.realPart + b.real();
-	double imag = this.imaginaryPart + b.imag();
+	double real = this.realPart_ + b.real(); // get the sum of the real numbers
+	double imag = this.imaginaryPart_ + b.imag(); // get the sum of the imaginary numbers
 	
-	Complex c = new Complex(real, imag);
-	return c;
+	Complex c = new Complex(real, imag); // create a new instance of the Complex class to return
+	return c; // return the class
     }
     
     @Override
     public String toString()
     {
 	String s = "";
-	if (realPart != 0)
-	    s+=String.valueOf(this.realPart);
 	
-	if (realPart != 0 && imaginaryPart != 0)
+	if (this.realPart_ != 0) // if there is a real part
+	    s+=String.valueOf(this.realPart_); // append the real part to the string
+	
+	if (this.realPart_ != 0 && this.imaginaryPart_ != 0) // if there is a real part and an imaginary part
 	{
-	    if (imaginaryPart < 0)
-		s += " - ";
+	    if (this.imaginaryPart_ < 0) // if the imaginary part is less than 0
+		s += " - "; // append a minus
 	    else
-		s += " + ";
+		s += " + "; // append a plus
 	}
 	
-	if (imaginaryPart != 0)
+	if (this.imaginaryPart_ != 0) // if the imaginary part exists
 	{
-	    s+="j" + String.valueOf(Math.abs(this.imaginaryPart));
+	    s+="j" + String.valueOf(Math.abs(this.imaginaryPart_)); // append the imaginary part with a j to the string
 	}
-	return s;
+	return s; // return the string
     }
     
 }