Add files via upload

Author: ikokkari

ImageAlgebraMain.java

@@ -50,7 +50,7 @@ public static void main(String[] args) throws IOException {
         f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
         f.setLayout(new FlowLayout());
         f.add(new ImagePanel(all, "Stack"));
-        f.add(new ImagePanel(ImageAlgebra.halving(coffee, 4), "Halving"));
+        f.add(new ImagePanel(ImageAlgebra.halving(coffee, 5), "Halving"));
 
         f.pack();
         f.setVisible(true);                           

P2J3Test.java

@@ -1,6 +1,10 @@
 import org.junit.Test;
 
-import java.io.*;
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.UnsupportedEncodingException;
 import java.nio.charset.StandardCharsets;
 import java.util.Random;
 import java.util.zip.CRC32;