Creating equal and hashcode for a class using a map
878
What issues should be considered when overriding equals and hashCode in Java?
104733
C++ unordered_map using a custom class type as the key
150361
Updating Java HashMap key
89398
How to loop through a HashMap in JSP?
131933
On the usage of Java equality operator
63029
Why does the default Object.toString() include the hashcode?
64704
Behaviour of LinkedHashMap's keySet() and values() methods
137403
How to best implement Equals for custom types?
152245
Case insensitive string as HashMap key
24717
How to I use Map to apply a defined function to a list?
108024
What are the differences between a HashMap and a Hashtable in Java?
146732
How does a Java HashMap handle different objects with the same hash code?
146710
What requirements must std::map key classes meet to be valid keys?
17932
HashSet allows duplicate item insertion if hashCode() is not overridden
1959
How do I efficiently iterate over each entry in a Java Map?
1114
Java Class that implements Map and keeps insertion order?
6494
Sorting hashmap based on keys