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What does the increment operator ++ do in C++?
What does the increment operator ++ do in C++?
- Subtracts one from a variable
- Adds one to a variable (correct)
- Multiplies a variable by one
- Divides a variable by one
Which statement is equivalent to the expression 'val++'?
Which statement is equivalent to the expression 'val++'?
- val += 1
- val = val + 1 (correct)
- val = val - 1
- val -= 1
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?
- Prefix mode (correct)
- Postfix mode
- Both prefix and postfix modes
- None of the above
What happens when you use the decrement operator -- in C++?
What happens when you use the decrement operator -- in C++?
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?
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++?
Which operator is used for decrementing a variable by one in C++?
Which operator is used for decrementing a variable by one in C++?
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'?
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?
Which statement is equivalent to the expression 'val = val + 1;' in C++?
Which statement is equivalent to the expression 'val = val + 1;' in C++?
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?
What is the role of the increment operator '++' in C++?
What is the role of the increment operator '++' in C++?
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?
In C++, what does '--val' do when used as a decrement operator?
In C++, what does '--val' do when used as a decrement operator?
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;'?
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