Starting git repo for working on files

module2/BandMatrix.java

@@ -0,0 +1,24 @@
+public class BandMatrix
+{
+    public static void main(String[] args)
+    {
+        int n = Integer.parseInt(args[0]);
+        int width = Integer.parseInt(args[1]);
+
+        for (int i = 0; i < n; i++)
+        {
+            for (int j = 0; j < n; j++)
+            {
+                if ((j - i <= width) && (i -j <= width))
+                {
+                    System.out.print(" * ");
+                }
+                else
+                {
+                    System.out.print(" 0 ");
+                }
+            }
+            System.out.println("\n");
+        }
+    }
+}