等価演算子: == と != | Microsoft Learn

Equality operators: == and != | Microsoft Learn Table of contents Exit editor mode Ask Learn Ask Learn Reading mode Table of contents Read in English Add Add to plan Edit Copy Markdown Print Note Access to this page requires authorization. You can try signing in or changing directories . Access to this page requires authorization. You can try changing directories . Equality operators: == and != Feedback Summarize this article for me Syntax expression == expression expression != expression Remarks The equal-to operator ( == ) returns true if both operands have the same value; otherwise false . The not-equal-to operator ( != ) returns true if the operands don't have the same value; otherwise false . In C and C++, not_eq can be used as alternative to != . For more information, see not-eq . Example #include <iostream> int main() { int x = 1, y = 1, z = 2; if (x == y) { std::cout << "Equal\n"; } if (x != z) { std::cout << "Not equal\n"; } } Equal Not equal See also not-eq Operator overloading Expressions with binary operators C++ built-in operators, precedence; and associativity C relational and equality operators Feedback Was this page helpful? Yes No No Need help with this topic? Want to try using Ask Learn to clarify or guide you through this topic? Ask Learn Ask Learn Suggest a fix? Additional resources Last updated on 2024-08-12 Was this page helpful? Yes No No Need help with this topic? Want to try using Ask Learn to clarify or guide you through this topic? Ask Learn Ask Learn Suggest a fix?