What is the difference between Map myMap = new HashMap and HashMap myMap = new HashMap?
855
What does it mean to "program to an interface"?
115576
What happens if I read a map's value where the key does not exist?
150361
Updating Java HashMap key
133055
Why do I need to override the equals and hashCode methods in Java?
58778
In what way is ::operator new[]() different than ::operator new()?
110080
How to compare two hashmaps in java?
106080
Is the order guaranteed for the return of keys and values from a LinkedHashMap object?
127572
Java int to String - Integer.toString(i) vs new Integer(i).toString()
1081
How to add value in map of map?
121365
Why results of map() and list comprehension are different?
35008
Is there a difference between foreach and map?
91987
Difference between a HashMap and a dictionary ADT
150692
What's the difference between set and map in C++?
81634
What is the difference between "Class.forName()" and "Class.forName().newInstance()"?
47176
Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash.new([])
110074
What is the difference between == and equals() in Java?
62369
Iterate through a HashMap