Get a sublist of ArrayList in Java

To get a portion of the ArrayList in Java, use the method subList() of the ArrayList.

List subList(int fromIndex, int toIndex)

fromIndex is included and toIndex excludes ( [fromIndex, toIndex[ ). This method returns an object of type list so, to store the sublist in another ArrayList, we need to create this ArrayList from List:  new ArrayList(input.subList(fromIndex,  toIndex)) . On the other hand, if we store the resulting sublist in a List then, there is no problem, as in the example.

import java.util.ArrayList; 
import java.util.List; 

public class ArrayListSublist {

 public static void main(String[] args) {
 
 // Create an ArrayList< String> 
 ArrayList< String> aList = new ArrayList< String> (); 
 
 //add strings to ArrayList
 aList.add("1"); 
 aList.add("2"); 
 aList.add("3"); 
 aList.add("4"); 
 aList.add("5"); 
 
 System.out.println("ArrayList"); 
 for(String e:aList)
 System.out.println(e); 

 List list = aList.subList(1, 4); 
 
 System.out.println("ArrayList "); 
 for(int i=0; i< list.size(); i++)
 System.out.println(list.get(i)); 
 }
}

Runtime:

ArrayList 
1
2
3
4
5
ArrayList 
2
3
4