If you inadvertently use an assignment symbol, =, in place of the relational symbol, == in a relational expression, the compiler will flag this with either a warning or error message.

Question

Quizplus · Accepted Answer

Most compilers will not flag this as an error or warning because using an assignment operator in a place where a relational operator is expected is syntactically correct in many programming languages, such as C or C++. Instead, the assignment will be executed, and the result of the assignment (the value assigned) will be evaluated in the relational expression, which may lead to logical errors in the program.

If You Inadvertently Use an Assignment Symbol, =, in Place