What does == in c++ mean?

The

== operator is an equality comparison operator in C that checks whether the values ​​of two expressions are equal and returns a Boolean value (true or false). This operator only compares expressions of the same type, and the comparison of floating point numbers may not be accurate.

The == operator in C

What is the == operator?

== is the equality comparison operator in C. It is used to compare the values ​​of two expressions for equality.

Usage of Operator

== operator is used to compare two expressions. Expressions can be variables, constants, function calls, or other expressions.

Return value of operator

== The operator returns a Boolean value (true or false) indicating whether the two expressions are equal.

Example

<code class="cpp">int a = 5;
int b = 5;
bool result = (a == b);</code>

In this example, a and b are both equal to 5, so result will be set to true.

Note

• == operator can only compare expressions of the same type.
• Equality comparisons of floating point numbers may lead to inaccurate results due to loss of precision.

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