Podcast
Questions and Answers
What does the increment operator ++ do in C++?
What does the increment operator ++ do in C++?
Which statement is equivalent to the expression 'val++'?
Which statement is equivalent to the expression 'val++'?
In which mode does the prefix increment operator return the value of the variable?
In which mode does the prefix increment operator return the value of the variable?
What happens when you use the decrement operator -- in C++?
What happens when you use the decrement operator -- in C++?
Signup and view all the answers
In which mode does the postfix decrement operator increment or decrement first, then return the value of the variable?
In which mode does the postfix decrement operator increment or decrement first, then return the value of the variable?
Signup and view all the answers
What would be the result of the statement 'int x = 5; cout << x++ + 5;' in C++?
What would be the result of the statement 'int x = 5; cout << x++ + 5;' in C++?
Signup and view all the answers
Which operator is used for decrementing a variable by one in C++?
Which operator is used for decrementing a variable by one in C++?
Signup and view all the answers
When using the postfix mode, what does 'val--' return before actually decrementing 'val'?
When using the postfix mode, what does 'val--' return before actually decrementing 'val'?
Signup and view all the answers
In C++, when using the prefix mode for the increment operator, what does '++val' return?
In C++, when using the prefix mode for the increment operator, what does '++val' return?
Signup and view all the answers
Which statement is equivalent to the expression 'val = val + 1;' in C++?
Which statement is equivalent to the expression 'val = val + 1;' in C++?
Signup and view all the answers
When using the postfix mode for the decrement operator in C++, what does 'val--' return?
When using the postfix mode for the decrement operator in C++, what does 'val--' return?
Signup and view all the answers
What is the role of the increment operator '++' in C++?
What is the role of the increment operator '++' in C++?
Signup and view all the answers
Which mode of usage would return the value of a variable before incrementing it?
Which mode of usage would return the value of a variable before incrementing it?
Signup and view all the answers
In C++, what does '--val' do when used as a decrement operator?
In C++, what does '--val' do when used as a decrement operator?
Signup and view all the answers
If a variable 'num' has the value 5 in C++, what would be the result of 'num++ + 1;'?
If a variable 'num' has the value 5 in C++, what would be the result of 'num++ + 1;'?
Signup and view all the answers