java define empty string list

In Java, you can define an empty list of strings using the java.util.List interface and one of its concrete implementations, such as ArrayList or LinkedList.

Here is an example of how to define an empty list of strings in Java using the ArrayList implementation:

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

public class Main {
  public static void main(String[] args) {
    // Define an empty list of strings
    List<String> myList = new ArrayList<>();
  }
}

This code defines a new variable myList that refers to an empty list of strings, created using the ArrayList implementation of the List interface. The list is initialized with a capacity of 10, which is the default initial capacity of an ArrayList object.

You can also define an empty list of strings using the LinkedList implementation, like this:

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

public class Main {
  public static void main(String[] args) {
    // Define an empty list of strings
    List<String> myList = new LinkedList<>();
  }
}

This code defines a new variable myList that refers to an empty list of strings, created using the LinkedList implementation of the List interface. The LinkedList implementation is based on a linked list data structure, which allows elements to be inserted and removed from the list in constant time.

You can use the methods provided by the List interface, such as add, remove, and get, to manipulate the elements in the list. For example:

myList.add("Hello");  // Add an element to the list
myList.add("World");

System.out.println(myList.get(0));  // Get the first element in the list

myList.remove(1);  // Remove the second element from the list

This code adds two elements to the list, retrieves the first element, and removes the second element.