Array List Added

src/.gitignore

+/src/.idea
+/src/javaTraining.iml
+out/
+javaTraining.iml
+../out/production/javaTraining/Arrays/
+../out/production/javaTraining/BankManagementSystem/
+../out/production/javaTraining/Connditional_Statements/
+../out/production/javaTraining/ExceptionHandling/
+../out/production/javaTraining/Loops/
+../out/production/javaTraining/Strings/

src/ArrayList/CoustomArrayList.java

+package ArrayList;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+
+public class CoustomArrayList { // It is a data structure it use, to  store objects and size is not fixed like array.
+   public ArrayList<Integer> list = new ArrayList<>(); // list is an object of array list. (Integer is a wrapper class of int holds int value as object)
+
+    CoustomArrayList()
+    {
+        System.out.println("Object is created");
+
+    }
+
+    void arrayListFunctions()
+    {
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(7);
+        list.add(6);
+        list.add(7);
+        list.add(8);
+
+        System.out.println("Here is your list: ["+list+"]");
+
+        int element = list.get(2);
+
+        System.out.println("printing element on index 2  is:"+element);
+
+        // adding values on any particular index.
+
+        list.add(3,5);
+        System.out.println("Here is your list: ["+list+"]");
+
+        // set element present on any particular index.
+
+        list.set(4,05);
+        System.out.println("Here is your list: ["+list+"]");
+
+        //delete elements from list.
+
+        list.remove(4);
+        System.out.println("Here is your list: ["+list+"]");
+
+        // size
+
+        int size = list.size();
+        System.out.println(size);
+
+        list.add(0,12);
+        list.add(2,11);
+        list.add(3,9);
+
+        System.out.println("Here is your list: ["+list+"]");
+
+        // sorting assending.
+        Collections.sort(list);
+
+        System.out.println("Here is your list: ["+list+"]");
+
+        //printing array using loop
+
+        for(int i=0;i<list.size();i++)
+        {
+            System.out.println(list.get(i));
+        }
+
+    }
+
+
+}

src/ArrayList/Main.java

+package ArrayList;
+
+public class Main {
+    public static void main(String[] args) {
+
+        CoustomArrayList obj = new CoustomArrayList();
+
+        obj.arrayListFunctions();
+    }
+}