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Safish M.
Assistant Professor for 19 years
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PHP Programming
TutorMe
Question:

Differentiate between indexed and associative arrays in PHP.

Safish M.
Answer:

Indexed arrays use numbers as index values. Associative arrays are defined with key=>value pairs where keys act as the indexes. The keys can be either numbers or strings. ie) Associative arrays can also use strings as index values.

Java Programming
TutorMe
Question:

What is the use of the final keyword in Java?

Safish M.
Answer:

1) A variable declaration preceded by the final keyword means the value assigned to the variable is final and it cannot be changed. Treats the variable as a constant. 2) A method declared with final as the first keyword means the method cannot be overridden further. 3) A class declared with final keyword means the class cannot be derived.

C Programming
TutorMe
Question:

What is the return type of the main() function in C?

Safish M.
Answer:

All functions except those return an integer result must specify a return type in the function header. The main() function returns an integer value to show the successful execution or abnormal termination of the function. A zero value is returned for successful execution.

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