1 files changed, 34 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1404.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1404.java
new file mode 100644
index 0000000..91b4ea9
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1404.java
@@ -0,0 +1,34 @@
+/* Listing1404.java */
+
+import java.util.*;
+
+public class Listing1404
+{
+  private final static int MAXNUM = 20;
+
+  public static void main(String[] args)
+  {
+    BitSet  b;
+    boolean ok;
+
+    System.out.println("Die Primzahlen <= " + MAXNUM + ":");
+    b = new BitSet();
+    for (int i = 2; i <= MAXNUM; ++i) {
+      ok = true;
+      for (int j = 2; j < i; ++j) {
+        if (b.get(j) && i % j == 0) {
+          ok = false;
+          break;
+        }
+      }
+      if (ok) {
+        b.set(i);
+      }
+    }
+    for (int i = 1; i <= MAXNUM; ++i) {
+      if (b.get(i)) {
+        System.out.println("  " + i);
+      }
+    }
+  }
+}
+\ No newline at end of file