You Must Always ____ a Variable Before You Can Use

question 4

Multiple Choice

You must always ____ a variable before you can use it for the first time in a program.

• A) declare
• B) reference
• C) instantiate
• D) announce

---

Definitions:

Excessive Energy

An unusually high level of physical or mental activity, which can be a symptom of certain medical conditions or the result of lifestyle factors.

Dry Mouth

A condition characterized by a decreased production of saliva, leading to a feeling of dryness in the mouth.

Macular Edema

Swelling or thickening of the macula, the part of the eye responsible for sharp, straight-ahead vision, leading to vision impairment.

Nonproliferative Diabetic Retinopathy

The early stage of diabetic eye disease, where high blood sugar levels cause damage to blood vessels in the retina but new vessels are not yet proliferating.