1) About my role and technical stack of the recent project
2)Java:
a. HashMap vs Concurrent HashMap, How would you implement ConcurrentHashmap (using a array of Linkedlist and a List of locks)
b. Autoboxing
c. Double locked singleton class (What purpose does that solve?)
3)Spring:
a. Dependency Injection/IOC
b. Different ways of auto wiring (Constructor,Setter and Factory)
4)Database:
a. How does indexing work (using a binary tree and then asked about performace of binary tree and its implementation in java)
b. Normalising database tables
b. Inner vs Outer Join

Question

1) About my role and technical stack of the recent project
2)Java:
         a. HashMap vs Concurrent HashMap, How would you implement ConcurrentHashmap (using a array of Linkedlist and a List of locks)
         b. Autoboxing
         c. Double locked singleton class (What purpose does that solve?)
3)Spring:
         a. Dependency Injection/IOC
         b. Different ways of auto wiring (Constructor,Setter and Factory)
4)Database:
         a. How does indexing work (using a binary tree and then asked about performace of binary tree and its implementation in java)
         b. Normalising database tables
         b. Inner vs Outer Join

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