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>

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);
+    }
+}

core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/EnumerationExample.java

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+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());
+        }
+    }
+
+}

core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/IteratorExample.java

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+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());
+        }
+    }
+}

core-java-modules/core-java-collections-4/src/main/java/com/baeldung/enumerationiteratordifferences/Person.java

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+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;
+    }
+}