What are these called [duplicate]

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What does ‘?’ do in C++?

What are these kind of statements in c++ called:

testNumber > 1 ? true : false;

Answer 1

Ternary operator.

Your expression is for finding whether the value is true or false. For example,

boolean c = testNumber > 1 ? true : false;

Here based on the value of testNumber, c will be true or false.

Answer 2

That's the conditional operator.

The expression a ? b : c evaluates to b if a is true and c if a is false.

In most languages, this is the only example of a ternary operator, an operator that takes three arguments.

Answer 3

It means

//If this is true,
testNumber > 1
//testNumber is bigger than 1, then
true
//it is a true statemant, or
false
//else statement is faulse

or you can see it like this:

if(testNumber > 1) {
true
}
else {
false
}