difference between Set = new HashSet and HashSet = new HashSet java
855
What does it mean to "program to an interface"?
97409
new Number() vs Number()
3941
What's the difference between ".equals" and "=="?
89389
Explanation of HashMap#hash(int) method
132692
Nonempty set mapped to $\emptyset$ and vice-versa
146732
How does a Java HashMap handle different objects with the same hash code?
156233
Why does the set of all singleton sets not exist?
34860
Where and why use int a=new int?
150692
What's the difference between set and map in C++?
104515
Initializing Hashtables in Java?
156119
What is the difference between map, each, and collect?
6085
Why use getters and setters/accessors?
107472
Difference between 'new operator' and 'operator new'?
65089
What is the difference between `new Object()` and object literal notation?
44160
Set theory: difference between belong/contained and includes/subset?
39020
Why is empty set an open set?
64994
boolean[] vs. BitSet: Which is more efficient?