Hi All,
This is the most popular question in interviews and definitely an important collection to understand. So, starting with the internal working of HashMap, I will be covering below concepts:
1) Hashing
2) Bucketing
3) Collision
4) Rehashing
Tag Archives: Interview Questions
Singleton in Java
When it comes to singleton, it is one of the most frequently asked Java question. There are multiple ways to ensure singleton behavior in multi-threaded environment like
-
- Making a variable public static final
- Making a synchronized getInstance method
- Double checked getInstance method
- Using Enums