Naming conventions

Question 1

Name two types of naming conventions.

Answer 1

Camel case (camelCase)
Snake case (snake_case)
Hungarian notation (strInput)

Question 2

Why are naming conventions important in source code?

Answer 2

Naming conventions provide a clear and consistent way to label program elements, ensuring easy understanding. Effective conventions convey an element’s purpose and, if needed, its data type, enhancing programmer efficiency.

Question 3

Use the pseudocode below to answer the questions that follow:

Input strFileName
dAll ← {}
elTree ← fnReadFromFile( strFileName )
elRoot ← elTree.fnGetRoot()

For elSubEl in elRoot
dAll[elSubEl.fnGetEl(“height”)] ← elSubEl.fnGetAttrib(“height”)
EndFor

a) Which variable is a string?

b) What data structure is dAll?

c) What data structure is elRoot?

d) What naming convention is being used?

Answer 3

a) strFileName

b) Dictionary, as it takes (key, value) pairs.

c) Element of an XML tree.

d) Hungarian notation with user-defined prefixes.