understanding the relation between hashcode and equals method in Java
878
What issues should be considered when overriding equals and hashCode in Java?
1736
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
142913
How do you get the "object reference" of an object in java when toString() and hashCode() have been overridden?
151218
When to use the equals sign in a Scala method declaration?
56094
Why use a prime number in hashCode?
3018
Any reason to prefer getClass() over instanceof when generating .equals()?
131933
On the usage of Java equality operator
69801
What does it mean when ST_Equals returns false and `=` returns true?
32886
What is the difference between != and =! in Java?
112221
Best implementation for hashCode method for a collection
143044
Object.hashCode() algorithm
46562
Differences in string compare methods in C#
74217
What is the "equals greater than" operator => in Ruby?
89052
When overriding equals in Java, why does it not work to use a parameter other than Object?
146732
How does a Java HashMap handle different objects with the same hash code?
26950
Is there a string that's hash is equal to itself?
126
How do I compare strings in Java?