List isEmpty() method in Java with Examples

The isEmpty() method of the List interface in Java is used to check if a list is empty or not. It returns true if the list contains no elements otherwise it returns false if the list contains any element.

Example:

List is Empty

Syntax of the Method

boolean isEmpty()

• Parameter : It does not accept any parameter.
• Return Type : It returns True if the list has no elements else it returns false. The return type is of datatype boolean.
• Error and Exceptions : This method has no errors or exceptions.

Program Demonstrating List isEmpty() in Java

Below is the implementation of isEmpty() Method:

[] : true
[1, 2, 3] : false

Reference: https://docs.oracle.com/javase/7/docs/api/java/util/List.html#isEmpty()