Sub List From LinkedList In Java

Chapter: Data Structures Last Updated: 05-09-2016 16:32:55 UTC

Program:

            /* ............... START ............... */
                
import java.util.LinkedList;
import java.util.Iterator;
import java.util.List;

public class JavaSubLinkedList {

	public static void main(String[] args) {

		// Create a LinkedList
		LinkedList<String> linkedlist = new LinkedList<String>();

		// Add elements to LinkedList
		linkedlist.add("Item1");
		linkedlist.add("Item2");
		linkedlist.add("Item3");
		linkedlist.add("Item4");
		linkedlist.add("Item5");
		linkedlist.add("Item6");
		linkedlist.add("Item7");

		// Displaying LinkedList elements
		System.out.println("LinkedList elements:");
		Iterator iterator = linkedlist.iterator();
		while (iterator.hasNext()) {
			System.out.println(iterator.next());
		}

		// Obtaining Sublist from the LinkedList
		List sublist = linkedlist.subList(2, 5);

		// Displaying SubList elements
		System.out.println("\nSub List elements:");
		Iterator subit = sublist.iterator();
		while (subit.hasNext()) {
			System.out.println(subit.next());
		}

		sublist.remove("Item4");
		System.out.println("\nLinkedList elements After remove:");
		Iterator it2 = linkedlist.iterator();
		while (it2.hasNext()) {
			System.out.println(it2.next());
		}
	}
}
                /* ............... END ............... */
        

Output

LinkedList elements:
Item1
Item2
Item3
Item4
Item5
Item6
Item7

Sub List elements:
Item3
Item4
Item5

LinkedList elements After remove:
Item1
Item2
Item3
Item5
Item6
Item7

Notes:

  • You can get sublist of LinkedList using subList(int startIndex, int endIndex) method of LinkedList class.
  • Method returns a List between the specified index startIndex(inclusive) and endIndex(exclusive). Any changes made to the sublist will be reflected in the original list.

Tags

Sub List From LinkedList, Java, Data Structures

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