Get Sub List of Java ArrayList

    package org.best.examples;

      /*
      Get Sub List of Java ArrayList Example
      This Java Example shows how to get sub list of java ArrayList using subList
      method by providing start and end index.
    */
    
    import java.util.ArrayList;
    import java.util.List;
    
    public class GetSubListOfJavaArrayListExample {
    
    public static void main(String[] args) {
    
    //create an ArrayList object
    ArrayList arrayList = new ArrayList();
    
    //Add elements to Arraylist
    arrayList.add("1");
    arrayList.add("2");
    arrayList.add("3");
    arrayList.add("4");
    arrayList.add("5");
    
    /*
      To get a sub list of Java ArrayList use
      List subList(int startIndex, int endIndex) method.
      This method returns an object of type List containing elements from
      startIndex to endIndex - 1.
      */
    
    List lst = arrayList.subList(1,3);
    
    //display elements of sub list.
    System.out.println("Sub list contains : ");
    for(int i=0; i< lst.size() ; i++)
    System.out.println(lst.get(i));
    
    /*
      Sub List returned by subList method is backed by original Arraylist. So any
      changes made to sub list will also be REFLECTED in the original Arraylist.
      */
    //remove one element from sub list
    Object obj = lst.remove(0);
    System.out.println(obj + " is removed from sub list");
    
    //print original ArrayList
    System.out.println("After removing " + obj + " from sub list, original ArrayList contains : ");
    for(int i=0; i< arrayList.size() ; i++)
    System.out.println(arrayList.get(i));
    
    }
    
    }
    /*
    Output would be
    Sub list contains :
    2
    3
    2 is removed from sub list
    After removing 2 from sub list original ArrayList contains :
    1
    3
    4
    5
    */