.clear()

The .clear() method in Java removes all elements from an ArrayList. After invoking this method, the ArrayList gets empty, but its capacity remains unchanged. The method does not return a value.

Syntax

myArrayList.clear();

• myArrayList: The ArrayList to be cleared.

Example

The example below shows the use of the .clear() method:

import java.util.ArrayList;

public class Main {
  public static void main(String[] args) {
    // Creating an ArrayList
    ArrayList<String> fruits = new ArrayList<>();

    // Adding elements to the ArrayList
    fruits.add("Apple");
    fruits.add("Banana");
    fruits.add("Cherry");

    // Printing the ArrayList
    System.out.println("Fruits: " + fruits);

    // Clearing the ArrayList
    fruits.clear();

    // Printing the cleared ArrayList
    System.out.println("Fruits after .clear(): " + fruits);
  }
}

Here is the output for the code above:

Fruits: [Apple, Banana, Cherry]
Fruits after .clear(): []