Add code

ComplexNumber.java

@@ -0,0 +1,53 @@
+/*
+
+This class does not contain all the methods used
+when handling complex numbers, only the ones
+needed for calculating Julia sets:
+    add, modulus, square
+
+*/
+public class ComplexNumber {
+    public double real;
+    public double imaginary;
+
+    // Initialize both parts of number to zero
+    // if no input is given
+    ComplexNumber()
+    {
+        real = 0.0;
+        imaginary = 0.0;
+    }
+
+    //Initialize with user input
+    ComplexNumber(double real, double imaginary)
+    {
+        this.real = real;
+        this.imaginary = imaginary;
+    }
+
+    // Add two complex numbers
+    // Result gets saved to the current complex number
+    public void add(ComplexNumber cN)
+    {
+        this.real = this.real + cN.real;
+        this.imaginary = this.imaginary + cN.imaginary;
+    }
+
+    // The modulus of a complex number describes the distance from (0,0)
+    // Result is always a real number
+    public double modulus()
+    {
+        return Math.sqrt(Math.pow(this.real, 2.0) + Math.pow(this.imaginary, 2.0));
+    }
+
+    public void square()
+    {
+        double temp_real =  Math.pow(this.real, 2.0) - Math.pow(this.imaginary, 2.0);
+        double temp_imaginary = this.real * this.imaginary * 2;
+        this.real = temp_real;
+        this.imaginary = temp_imaginary;
+    }
+
+
+
+}