Top "Equals-operator" questions

Java: Integer equals vs. ==

As of Java 1.5, you can pretty much interchange Integer with int in many situations. However, I found a potential defect …

java integer wrapper primitive equals-operator
Can't operator == be applied to generic types in C#?

According to the documentation of the == operator in MSDN, For predefined value types, the equality operator (==) returns true if the …

c# generics operators equals-operator
How do I simply compare characters in C++?

I have the following code: #include <iostream> using namespace std; int main() { char fg; cin>>fg; …

c++ char equals-operator
When is a C# value/object copied and when is its reference copied?

I keep getting the same issue over and over again where an object I want to reference is copied or …

c# reference copy equals-operator
Does == check for full equality in Booleans? - Java

So I've heard that if I compare 2 strings with == then I will only get true back if they both refer …

java boolean equals-operator
What needs to be overridden in a struct to ensure equality operates properly?

As the title says: do I need to override the == operator? how about the .Equals() method? Anything I'm missing?

c# .net struct operators equals-operator
What is the difference between == and === in JavaScript?

Possible Duplicate: Javascript === vs == : Does it matter which “equal” operator I use? When would JavaScript == make more sense than ===? What …

javascript equals-operator identity-operator
using the equals keyword in linq

Possible Duplicate: Lambda Expression: == vs. .Equals() Hi, I use a lot the keyword Equals to compare variables and other stuff. …

c# linq lambda equals-operator
Performance differences between equal (=) and IN with one literal value

How does SQL engines differ when we use equal sign and IN operator have same value? Does execution time changes? 1…

mysql sql postgresql equals-operator in-operator
What's wrong with defining operator == but not defining Equals() or GetHashCode()?

For the code below public struct Person { public int ID; public static bool operator ==(Person a, Person b) { return a.…

c# warnings equals equals-operator