LinkedList

Author: raheemadamboev

src/TheLinkedList.java

@@ -0,0 +1,28 @@
+import data.PersonModel;
+
+import java.util.LinkedList;
+import java.util.ListIterator;
+
+public class TheLinkedList {
+
+    public static void main(String[] args) {
+        LinkedList<PersonModel> rockers = new LinkedList<>();
+
+        rockers.add(new PersonModel("Tupac", 26));
+        rockers.add(new PersonModel("Biggie", 25));
+        rockers.addFirst(new PersonModel("Big L", 22));
+        rockers.add(2, new PersonModel("Paul", 35));
+
+        ListIterator<PersonModel> iterator = rockers.listIterator();
+
+        while (iterator.hasNext()) {
+            System.out.println(iterator.next());
+        }
+
+        System.out.println();
+
+        while (iterator.hasPrevious()) {
+            System.out.println(iterator.previous());
+        }
+    }
+}

src/TheQueue.java

@@ -1,13 +1,15 @@
+import data.PersonModel;
+
 import java.util.LinkedList;
 import java.util.Queue;
 
 public class TheQueue {
 
     public static void main(String[] args) {
-        Queue<Person> market = new LinkedList<>();
-        market.add(new Person("Raheem", 21));
-        market.add(new Person("Nargeeza", 21));
-        market.offer(new Person("Islam", 11));
+        Queue<PersonModel> market = new LinkedList<>();
+        market.add(new PersonModel("Raheem", 21));
+        market.add(new PersonModel("Nargeeza", 21));
+        market.offer(new PersonModel("Islam", 11));
 
         System.out.println(market.size());
         System.out.println(market.peek());
@@ -16,30 +18,4 @@ public static void main(String[] args) {
         System.out.println(market.remove());
         System.out.println(market.peek());
     }
-
-    private static class Person {
-        private final String name;
-        private final int age;
-
-        public Person(String name, int age) {
-            this.name = name;
-            this.age = age;
-        }
-
-        public String getName() {
-            return name;
-        }
-
-        public int getAge() {
-            return age;
-        }
-
-        @Override
-        public String toString() {
-            return "Person{" +
-                    "name='" + name + '\'' +
-                    ", age=" + age +
-                    '}';
-        }
-    }
 }

src/data/PersonModel.java

@@ -0,0 +1,27 @@
+package data;
+
+public class PersonModel {
+    private final String name;
+    private final int age;
+
+    public PersonModel(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    @Override
+    public String toString() {
+        return "Person{" +
+                "name='" + name + '\'' +
+                ", age=" + age +
+                '}';
+    }
+}