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--- java:jfc_intf_collection [2021/04/05 07:17] – [1ος τρόπος - for()] gthanos
+++ java:jfc_intf_collection [Unknown date] (current) – external edit (Unknown date) 127.0.0.1
@@ Line 16: / Line 16: @@
 public class StudentCollection {
-  private Collection<Student> students;
-  public StudentCollection() {
+  public static void iterateCollection(Collection<Student> students) {
-    students = new LinkedList<Student>();
+    for(Student st: students) {
-    populateList();
+      System.out.println(st.toString());
+    }
   }
-  public final void populateList() {
+  public static void main(String args[]) {
+    Collection<Student> students;
+    students = new LinkedList<Student>();
     students.add(new Student("John", "Smith"));
     students.add(new Student("Stanley", "Peters"));
@@ Line 30: / Line 31: @@
     students.add(new Student("Suzan", "Miles"));
     students.add(new Student("Mary", "Poppins"));
-  }
+    iterateCollection(students);
-  public void iterateList() {
-    for(Student st: students) {
-      System.out.println(st.toString());
-    }
-  }
-  public static void main(String args[]) {
-    StudentCollection stl = new StudentCollection();
-    stl.iterateList();
   }
 }
@@ Line 47: / Line 38: @@
 ==== 2ος τρόπος - iterator ====
-Μπορείτε να αντικαταστήσετε την ''iterateList'' με την παρακάτω υλοποίηση
+Μπορείτε να αντικαταστήσετε την ''iterateCollection'' με την παρακάτω υλοποίηση
 <code java>
-  public void iterateList() {
+  public static void iterateCollection(Collection<Student> students) {
     Iterator<Student> it = students.iterator();
     while( it.hasNext() ) {