FUNDAMENTALS OF COMPUTER

COMPUTER PROGRAMMING FUNDAMENTALS

PROGRAMMING LANGUAGES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This determines when the variable or object is created and destroyed in memory
A
Binding
B
Naming Variables
C
Constant
D
Lifetime
Explanation: 

Detailed explanation-1: -Wikipedia says, ” In computer science, the object lifetime (or life cycle) of an object in object-oriented programming is the time between an object’s creation (also known as instantiation or construction) till the object is no longer used, and is destructed or freed. ”

Detailed explanation-2: -The time during which a variable retains its value is known as its lifetime. The value of a variable may change over its lifetime, but it retains some value. When a variable loses scope, it no longer has a value.

Detailed explanation-3: -Answer-B) A variable that comes into existence in memory is determined by storage class.

Detailed explanation-4: -Scope of a variable determines the area or a region of code where a variable is available to use. Lifetime of a variable is defined by the time for which a variable occupies some valid space in the system’s memory.

There is 1 question to complete.