C#.NET — Which of the following is NOT an assignment operator?

Difficulty: Easy

Correct Answer: \=

Explanation:

Introduction / Context:
C# provides simple and compound assignment operators for updating variables concisely. Identifying invalid tokens prevents syntax errors.

Given Data / Assumptions:

Valid compound assignments include +=, -=, =, /=, %=, &=, |=, ^=, <<=, >>=.
The simple assignment operator is =.
The token "\=" (backslash-equals) is not a C# operator.

Concept / Approach:
Compare each choice against the C# operator set. Anything not in the set is invalid.

Step-by-Step Solution:

Check "/=" → valid (divide-and-assign).Check "=" → valid (multiply-and-assign).Check "+=" → valid (add-and-assign).Check "%=" → valid (mod-and-assign).Check "\=" → invalid; no such operator exists in C#.

Verification / Alternative check:
Attempting to compile x \= y; yields a compile-time error, while x += y; and x /= y; compile.

Why Other Options Are Wrong:
B–E are all standard compound assignment operators defined by the language.

Common Pitfalls:
Confusing escape characters in strings with operator tokens; backslash is not an operator character in assignment.

C#.NET — Which of the following is NOT an assignment operator?

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