Add chapters 9-17 for the java book

Java-Kompendium/kap8/Task1.java

@@ -0,0 +1,22 @@
+import java.io.*;
+import java.util.ArrayList;
+
+public class Task1 {
+    public static void main(String[] arguments) throws IOException {
+        String answer = "j";
+        var stream = new InputStreamReader(System.in);
+        var buffered = new BufferedReader(stream);
+        var names = new ArrayList<String>();
+
+        while (answer.equals("j")) {
+            System.out.println("Geben Sie einen Namen ein:");
+            names.add(buffered.readLine().strip());
+
+            System.out.println("Möchten sie fortsetzen? (j/n)");
+            answer = buffered.readLine().strip();
+        }
+        for (var name : names) {
+            System.out.println(name);
+        }
+    }
+}