adding to arraylist

ArrayList add(int index, E element) method in java

import java.util.ArrayList;
public class ArrayListAddMethodExample
{
   public static void main(String[] args)
   {
      // creating an empty ArrayList with initial capacity
      ArrayList<Integer> al = new ArrayList<Integer>(6);
      al.add(12);
      al.add(14);
      al.add(16);
      al.add(18);
      al.add(20);
      // adding element 15 at fourth position
      al.add(3, 15);
      for(Integer number : al)
      {
         System.out.println("Number: " + number);
      }
   }
}

Posted by: Guest on October-30-2020

Source

ArrayList<String> languages = new ArrayList<String>(); languages.add("PHP"); languages.add("JAVA"); languages.add("C#"); ArrayList<int> numbers = new ArrayList<int>(); numbers.add(9); numbers.add(14); numbers.add(2);

//create ArrayList ArrayList<String> arrayList = new ArrayList<String>(); //add item to ArrayList arrayList.add("item"); //check if ArrayList contains item (returns boolean) System.out.println(arrayList.contains("item")); //remove item from ArrayList arrayList.remove("item");

import java.util.ArrayList; public class Details { public static void main(String[] args) { //ArrayList<String> Declaration ArrayList<String> al= new ArrayList<String>(); //add method for String ArrayList al.add("Ram"); al.add("Shyam"); al.add("CPS"); al.add("John"); al.add("Steve"); System.out.println("Elements of ArrayList of String Type: "+al);

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