1 files changed, 56 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing0915.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing0915.java
new file mode 100644
index 0000000..45aae85
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing0915.java
@@ -0,0 +1,56 @@
+/* Listing0915.java */
+
+class MathExp
+implements DoubleMethod
+{
+  public double compute(double value)
+  {
+    return Math.exp(value);
+  }
+}
+
+class MathSqrt
+implements DoubleMethod
+{
+  public double compute(double value)
+  {
+    return Math.sqrt(value);
+  }
+}
+
+class Times2
+implements DoubleMethod
+{
+  public double compute(double value)
+  {
+    return 2 * value;
+  }
+}
+
+class Sqr
+implements DoubleMethod
+{
+  public double compute(double value)
+  {
+    return value * value;
+  }
+}
+
+public class Listing0915
+{
+  public static void printTable(DoubleMethod meth)
+  {
+    System.out.println("Wertetabelle " + meth.toString());
+    for (double x = 0.0; x <= 5.0; x += 1) {
+      System.out.println(" " + x + "->" + meth.compute(x));
+    }
+  }
+
+  public static void main(String[] args)
+  {
+    printTable(new Times2());
+    printTable(new MathExp());
+    printTable(new Sqr());
+    printTable(new MathSqrt());
+  }
+}
+\ No newline at end of file