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diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1705.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1705.java
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+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1705.java
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+/* Listing1705.java */
+
+import java.math.*;
+
+public class Listing1705
+{
+ public static void printFaculty(int n)
+ {
+ BigInteger bi = new BigInteger("1");
+ for (int i = 2; i <= n; ++i) {
+ bi = bi.multiply(new BigInteger("" + i));
+ }
+ System.out.println(n + "! is " + bi.toString());
+ }
+
+ public static void main(String[] args)
+ {
+ for (int i = 30; i <= 40; ++i) {
+ printFaculty(i);
+ }
+ }
+} \ No newline at end of file