Different behaviors for HashMap and Hashtable when Equals overridden to always return False
878
What issues should be considered when overriding equals and hashCode in Java?
141442
Why does my string comparison fail?
113187
Comparing Java enum members: == or equals()?
149427
Comparing StringBuffer content with equals
113423
Why Java does not see that Integers are equal?
87643
what is the time complexity of .equals in java for 2 strings?
15548
Is a Java hashmap search really O(1)?
25288
How to make HashMap work with Arrays as key?
10204
How to properly compare two Integers in Java?
124671
Why doesn't equality check work with arrays
5608
Overriding the java equals() method - not working?
91987
Difference between a HashMap and a dictionary ADT
108111
Use Objects.hash() or own hashCode() implementation?
68500
hashCode() for an array of objects for use in HashMap
89342
How to putAll on Java hashMap contents of one to another, but not replace existing keys and values?
3941
What's the difference between ".equals" and "=="?
65377
Trouble over riding and using equals method in java