new arraylist in java code example

Example 1: arraylist in java

import java.util.ArrayList;
public class ArrayListExample
{
   public static void main(String[] args)
   {
      int num = 14;
      // declaring ArrayList with initial size num
      ArrayList al = new ArrayList(num);
      // append new element at the end of list
      for(int a = 1; a <= num; a++)
      {
         al.add(a);
      }
      System.out.println(al);
      // remove element at index 7
      al.remove(7);
      // print ArrayList after deletion
      System.out.println(al);
      // print elements one by one
      for(int a = 0; a < al.size(); a++)
      {
         System.out.print(al.get(a) + " ");
      }
   }
}

Example 2: how to make a new arraylist java

ArrayList name = new ArrayList();

Example 3: java how to create arraylist

import java.util.ArrayList;
//create ArrayList
ArrayList arrayList = new ArrayList();

Example 4: java make arraylist

//Create the Arraylist variable: . Replace the T with the type of 
//data to be stored in the list.
ArrayList exampleList = new ArrayList<>();
//You can now perform operations on this ArrayList