How to clear an ArrayList in Java
In this post we will give you information about How to clear an ArrayList in Java. Hear we will give you detail about How to clear an ArrayList in JavaAnd how to use it also give you demo for it if it is necessary.
we are going to learn about how to clear or empty an ArrayList in Java.
Clearing an arraylist means removing the all elements from a given list.
Using clear() method
To clear an ArrayList, we can use the built-in clear() method of ArrayList class in Java.
Here is an example, that removes all elements from a users list:
import java.util.ArrayList;import java.util.Arrays;public class Main{ public static void main(String[] args) { ArrayList<String> users = new ArrayList<>(Arrays.asList("john", "kevin", "rose")); users.clear(); //clears the list System.out.println(users); }}Ouput:
[]
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