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-rw-r--r--Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java49
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diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java
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+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java
@@ -0,0 +1,49 @@
+/* Listing1015.java */
+
+interface StringIterator
+{
+ public boolean hasNext();
+ public String next();
+}
+
+class StringArray
+{
+ String[] data;
+
+ public StringArray(String[] data)
+ {
+ this.data = data;
+ }
+
+ public StringIterator getElements()
+ {
+ return new StringIterator()
+ {
+ int index = 0;
+ public boolean hasNext()
+ {
+ return index < data.length;
+ }
+ public String next()
+ {
+ return data[index++];
+ }
+ };
+ }
+}
+
+public class Listing1015
+{
+ static final String[] SAYHI = {"Hi", "Iterator", "Buddy"};
+
+ public static void main(String[] args)
+ {
+ //Collection erzeugen
+ StringArray strar = new StringArray(SAYHI);
+ //Iterator beschaffen und Elemente durchlaufen
+ StringIterator it = strar.getElements();
+ while (it.hasNext()) {
+ System.out.println(it.next());
+ }
+ }
+} \ No newline at end of file