java list of method

In java, the List.of() method is used to create an immutable list.
Once created, it could not be modified.

/**
 * @author lautturi.com 
 * Java example:
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		List<String> immuList = List.of("hello","lautturi","java","python","world","lau");	   
		System.out.println(immuList);	
	}
}

If we try to add new element to an immutable list,it will throw an UnsupportedOperationException.

immuList.add("php");

Exception message:

Exception in thread "main" java.lang.UnsupportedOperationException
	at java.base/java.util.ImmutableCollections.uoe(ImmutableCollections.java:142)
	at java.base/java.util.ImmutableCollections$AbstractImmutableCollection.add(ImmutableCollections.java:147)