From 63058bc24ceb73ca927dc1fac31245c6f853e3b0 Mon Sep 17 00:00:00 2001
From: Amit Kumar <amitkumar88265@gmail.com>
Date: Thu, 13 Oct 2022 08:45:13 +0530
Subject: [PATCH] Difference Between Java Enumeration and Iterator by
 amitkumar88265@gmail.com (#12844)

* added Enumertion and Iterator code example

* formatted the code

* formatted the code

* move code examples to other modules

* corrected the pkg name

* corrected the pkg name

* fixed compile time issue

Co-authored-by: Amit Kumatr <amit.kumar@fyndna.com>
---
 .../DataUtil.java                             | 18 +++++++++++++
 .../EnumerationExample.java                   | 19 +++++++++++++
 .../IteratorExample.java                      | 17 ++++++++++++
 .../Person.java                               | 27 +++++++++++++++++++
 4 files changed, 81 insertions(+)
 create mode 100644 core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/DataUtil.java
 create mode 100644 core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/EnumerationExample.java
 create mode 100644 core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/IteratorExample.java
 create mode 100644 core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/Person.java

diff --git a/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/DataUtil.java b/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/DataUtil.java
new file mode 100644
index 0000000000..5d03715b5b
--- /dev/null
+++ b/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/DataUtil.java
@@ -0,0 +1,18 @@
+package com.baeldung.enumerationiteratordifferences;
+
+import java.util.Arrays;
+import java.util.List;
+
+public final class DataUtil {
+
+    private DataUtil() {
+    }
+
+    static List<Person> getPersons() {
+        Person person1 = new Person("amit", "kumar");
+        Person person2 = new Person("yogi", "kuki");
+        Person person3 = new Person("raj", "dosi");
+        Person person4 = new Person("prakash", "kumar");
+        return Arrays.asList(person1, person2, person3, person4);
+    }
+}
diff --git a/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/EnumerationExample.java b/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/EnumerationExample.java
new file mode 100644
index 0000000000..87f068468a
--- /dev/null
+++ b/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/EnumerationExample.java
@@ -0,0 +1,19 @@
+package com.baeldung.enumerationiteratordifferences;
+
+import java.util.Enumeration;
+import java.util.Vector;
+
+import static com.baeldung.enumerationiteratordifferences.DataUtil.getPersons;
+
+public class EnumerationExample {
+    public static void main(String[] args) {
+
+        Vector<Person> people = new Vector<>(getPersons());
+        Enumeration<Person> enumeration = people.elements();
+        while (enumeration.hasMoreElements()) {
+            System.out.println("First Name = " + enumeration.nextElement()
+              .getFirstName());
+        }
+    }
+
+}
diff --git a/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/IteratorExample.java b/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/IteratorExample.java
new file mode 100644
index 0000000000..6ee6af6f22
--- /dev/null
+++ b/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/IteratorExample.java
@@ -0,0 +1,17 @@
+package com.baeldung.enumerationiteratordifferences;
+
+import java.util.Iterator;
+import java.util.List;
+
+import static com.baeldung.enumerationiteratordifferences.DataUtil.getPersons;
+
+public class IteratorExample {
+    public static void main(String[] args) {
+        List<Person> persons = getPersons();
+        Iterator<Person> iterator = persons.iterator();
+        while (iterator.hasNext()) {
+            System.out.println("First Name = " + iterator.next()
+              .getFirstName());
+        }
+    }
+}
diff --git a/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/Person.java b/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/Person.java
new file mode 100644
index 0000000000..ff7fbbc50f
--- /dev/null
+++ b/core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/Person.java
@@ -0,0 +1,27 @@
+package com.baeldung.enumerationiteratordifferences;
+
+public class Person {
+    private String firstName;
+    private String lastName;
+
+    public Person(String firstName, String lastName) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+}