Which variable can be used to access Union data members if the Union variable is declared as a pointer variable?

Mention File operations in C Language.

What are the different storage class specifiers in C?

What is typecasting?

Write a C program to print hello world without using a semicolon (;).

Write a program to swap two numbers without using the third variable.

How can you print a string with the symbol % in it?

Write a code to print the following pattern.

Explain the # pragma directive.

How can you remove duplicates in an array?

What is Bubble Sort Algorithm? Explain with a program.