Created package

src/com/albertoventurini/MainClass.java

@@ -1,3 +1,9 @@
+package com.albertoventurini;
+
+import com.albertoventurini.juliaset.JuliaSetCalculator;
+import com.albertoventurini.juliaset.JuliaSetPanel;
+import com.albertoventurini.juliaset.ThreadedJuliaSetCalculator;
+
 import javax.swing.*;
 import java.awt.*;
 

src/com/albertoventurini/juliaset/ExecutorServiceJuliaSetCalculator.java

@@ -1,5 +1,5 @@
-import java.util.ArrayList;
-import java.util.List;
+package com.albertoventurini.juliaset;
+
 import java.util.concurrent.*;
 
 

src/com/albertoventurini/juliaset/ForkJoinJuliaSetCalculator.java

@@ -1,3 +1,5 @@
+package com.albertoventurini.juliaset;
+
 import java.util.concurrent.ForkJoinPool;
 import java.util.concurrent.RecursiveAction;
 

src/com/albertoventurini/juliaset/JuliaSetCalculator.java

@@ -1,3 +1,5 @@
+package com.albertoventurini.juliaset;
+
 public interface JuliaSetCalculator {
 
     int[][] calculate(

src/com/albertoventurini/juliaset/JuliaSetPanel.java

@@ -1,3 +1,5 @@
+package com.albertoventurini.juliaset;
+
 import javax.swing.*;
 import java.awt.*;
 import java.awt.image.BufferedImage;

src/com/albertoventurini/juliaset/ThreadedJuliaSetCalculator.java

@@ -1,3 +1,5 @@
+package com.albertoventurini.juliaset;
+
 public class ThreadedJuliaSetCalculator implements JuliaSetCalculator {
 
     private int width;
@@ -62,7 +64,7 @@ public class ThreadedJuliaSetCalculator implements JuliaSetCalculator {
             try {
                 threads[i].join();
             } catch(Exception e) {
-                // No!
+                e.printStackTrace();
             }
         }