Coding in C++

What is the syntax for declaring a variable in C++?

• string name;

• bool flag;

• float value;

• int num;

What is the difference between '==' and '=' in C++?

• '==' is used for addition, and '=' is used for subtraction.

• '==' is used for logical operations, and '=' is used for bitwise operations.

• '==' is the comparison operator, and '=' is the assignment operator.

• '==' is used for string concatenation, and '=' is used for string comparison.

Explain the concept of 'pointers' in C++.

• Pointers in C++ are used for text formatting.

• Pointers in C++ are variables that store memory addresses.

• Pointers in C++ are used to control program flow.

• Pointers in C++ are used to store boolean values.

What is the purpose of 'cin' and 'cout' in C++?

• They are used for defining variables in C++.

• They are used for mathematical operations in C++.

• They are used for input and output operations in C++.

• They are used for looping structures in C++.

How do you create a function in C++?

• Declare the function prototype and define the function body after calling it

• Declare the function body and call the function where needed

• Define the function prototype and call the function where needed

• Declare the function prototype, define the function body, and call the function where needed.

What is the 'if' statement used for in C++?

• Used for declaring variables

• For loop iteration

• Printing output to the console

• Conditional execution of code based on a specified condition.

Explain the difference between 'while' and 'for' loops in C++.

• The 'while' loop is not supported in C++, only the 'for' loop can be used.

• The 'while' loop is used for both definite and indefinite iteration, while the 'for' loop is only used for indefinite iteration.

• The 'while' loop is used for definite iteration, while the 'for' loop is used for indefinite iteration.

• The 'while' loop is used for indefinite iteration, while the 'for' loop is used for definite iteration.

What is the 'switch' statement used for in C++?

• It is used for handling exceptions in C++.

• It is used for defining classes in C++.

• It is used for creating loops in C++.

• It is used for multi-way branching.

How do you include libraries in a C++ program?

• #include (library_name)

• import

• include

• #include

What is the purpose of 'return 0;' at the end of a C++ program?

• To print '0' to the console

• To trigger an error message

• To terminate the program abruptly

• To indicate successful execution and return a status code of 0.