VISUAL BASIC

VISUAL PROGRAMMING

VISUAL BASIC

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the scope of a variable that can be used anywhere within the procedure it was created?
A
block
B
statement
C
method
D
procedure
Explanation: 

Detailed explanation-1: -Global variable The global variables are the variables that are declared outside the function. These variables can be accessed anywhere in the program.

Detailed explanation-2: -Local scope: The variable scope of local variables which are declared within a function. Variables with local scope only exist and are available during the execution of the function in which they are defined.

Detailed explanation-3: -1) Class level scope (instance variables): any variable declared within a class is accessible by all methods in that class. Depending on its access modifier (ie. public or private ), it can sometimes be accessed outside the class.

Detailed explanation-4: -Variables that are declared inside a function or block are called local variables. They can be used only by statements that are inside that function or block of code.

Detailed explanation-5: -A variable accessible anywhere in a program is said to have global scope and is called a global variable. A global variable must be declared outside all functions in a program. If a value is assigned to a variable that has not been declared, even within a function, the result will also be a global variable.

Detailed explanation-6: -A global variable is a variable that can be accessed in multiple scopes. This means that wherever you are in the program you can use that variable; get its current value or set its value to something else.

There is 1 question to complete.