Different ways to iterate LinkedList in Java

By
Rakesh
-
  1. Using iterator –
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

public class LinkedListExample {
	public static void main(String[] args) {
		List<String> list = new LinkedList<>();
		list.add("ram");
		list.add("mohan");
		list.add("sohan");
		list.add("shyam");
		list.add("ram");

		Iterator<String> it = list.iterator();
		while (it.hasNext()) {
			System.out.println(it.next());
		}
	}
}

Output is –

ram
mohan
sohan
shyam
ram

2. Using ListIterator –

import java.util.LinkedList;
import java.util.List;
import java.util.ListIterator;

public class LinkedListExample {
	public static void main(String[] args) {
		List<String> list = new LinkedList<>();
		list.add("ram");
		list.add("mohan");
		list.add("sohan");
		list.add("shyam");
		list.add("ram");

		ListIterator<String> listIte = list.listIterator();
		while (listIte.hasNext()) {
			System.out.println(listIte.next());
		}
	}
}

Output is –

ram
mohan
sohan
shyam
ram

3. Using For-each loop –

import java.util.LinkedList;
import java.util.List;

public class LinkedListExample {
	public static void main(String[] args) {
		List<String> list = new LinkedList<>();
		list.add("ram");
		list.add("mohan");
		list.add("sohan");
		list.add("shyam");
		list.add("ram");

		for (String str : list) {
			System.out.println(str);
		}
	}
}

Output is –

ram
mohan
sohan
shyam
ram

4. Using for loop –

import java.util.LinkedList;
import java.util.List;

public class LinkedListExample {
	public static void main(String[] args) {
		List<String> list = new LinkedList<>();
		list.add("ram");
		list.add("mohan");
		list.add("sohan");
		list.add("shyam");
		list.add("ram");

		for (int i = 0; i < list.size(); i++) {
			System.out.println(list.get(i));
		}
	}
}

Output is –

ram
mohan
sohan
shyam
ram

 

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