added Array List

Author: AnuragAnalog

Abstract.java

@@ -1,4 +1,3 @@
-import java.util.*;
 
 abstract class Person {
     String name;

AccessControl.java

@@ -1,4 +1,3 @@
-import java.util.*;
 
 public class AccessControl {
     private String name = "AnuragAnalog";

Array.java

@@ -1,4 +1,3 @@
-import java.util.*;
 
 // Arrays
 

Arraylist.java

@@ -0,0 +1,29 @@
+import java.util.ArrayList;
+import java.util.Collection;
+
+// Collection is an interface that represents a group of objects known as elements
+// ArrayList is a class that implements the Collection interface
+// Collection API doesn't have any indexing methods
+
+public class Arraylist {
+    public static void main(String[] args) {
+        Collection<Integer> nums = new ArrayList<Integer>();
+
+        // Adding elements to the collection
+        nums.add(1);
+        nums.add(4);
+        nums.add(3);
+        nums.add(2);
+        nums.add(5);
+        nums.add(5);
+
+        
+        for (int n : nums) {
+            System.out.print(n + " ");
+        }
+        System.out.println();
+        nums.remove(5);
+
+        System.out.println("Printing the collection: " + nums);
+    }
+}

ArthimeticOperators.java

@@ -1,4 +1,3 @@
-import java.util.*;
 
 // Add one line comments to the code below to explain what each line does
 

AssignmentOperators.java

@@ -1,4 +1,3 @@
-import java.util.*;
 
 public class AssignmentOperators {
     public static void main(String[] args) {

BitWiseOperators.java

@@ -1,4 +1,3 @@
-import java.util.*;
 
 public class BitWiseOperators {
     public static void main(String[] args) {