When You Write an Action Listener Class for a JButton

question 24

Multiple Choice

When you write an action listener class for a JButton component, it must:

• A) have a method named buttonClicked
• B) implement the ActionLIstener interface
• C) have a method named actionPerformed which must take an argument of the ActionEvent type
• D) both B and C

---

Definitions:

Bacteria

Microscopic, single-celled organisms that inhabit virtually all environments, including soil, water, organic matter, and the bodies of plants and animals.

Ectopic Pregnancy

A pregnancy in which the fertilized ovum is implanted in any tissue other than the uterine wall. Most ectopic pregnancies occur in the fallopian tubes. Also known as a tubal pregnancy.

Vagina

In females, a flexible, muscular organ that begins between the legs and extends diagonally toward the small of the back. It encompasses the penis during sexual intercourse and is the pathway (birth canal) through which an infant is born.

Unsafe Sexual Practice

Sexual activities that increase the risk of sexually transmitted infections (STIs) and unwanted pregnancies due to the absence of protective measures.