Add Java-Kompendium book

Java-Kompendium/kap6/Task1.java

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+import java.util.*;
+
+public class Task1 {
+    public static void main(String[] args) {
+        ArrayList<String> workers = new ArrayList<>(6);
+
+        workers.add("Maximilian Mayer");
+        workers.add("Emil Faber");
+        workers.add("Anna Müller");
+        workers.add("Sebastian Waller");
+        workers.add("Oliver Stilz");
+        workers.add("Peter Huber");
+
+        print(workers);
+        System.out.println();
+
+        System.out.print("Der erste Name: ");
+        System.out.println(workers.get(0));
+
+        System.out.print("Der letzte Name: ");
+        System.out.println(workers.get(workers.size() - 1));
+
+        workers.set(3, "Frank Starke");
+
+        System.out.println();
+        print(workers);
+    }
+
+    public static void print(ArrayList<String> list) {
+        System.out.println(list.get(0));
+        System.out.println(list.get(1));
+        System.out.println(list.get(2));
+        System.out.println(list.get(3));
+        System.out.println(list.get(4));
+        System.out.println(list.get(5));
+    }
+}