1 files changed, 30 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1906.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1906.java
new file mode 100644
index 0000000..58bb47b
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1906.java
@@ -0,0 +1,30 @@
+/* Listing1906.java */
+
+import java.io.*;
+import java.util.zip.*;
+
+public class Listing1906
+{
+  public static void main(String[] args)
+  {
+    if (args.length != 1) {
+      System.out.println("Usage: java Listing1906 file");
+      System.exit(1);
+    }
+    try {
+      CheckedInputStream in = new CheckedInputStream(
+        new FileInputStream(args[0]),
+        new Adler32()
+      );
+      byte[] buf = new byte[4096];
+      int len;
+      while ((len = in.read(buf)) > 0) {
+        //nichts
+      }
+      System.out.println(in.getChecksum().getValue());
+      in.close();
+    } catch (IOException e) {
+      System.err.println(e.toString());
+    }
+  }
+}
+\ No newline at end of file