Java Interview Questions

List of topics to understand and explore for java interviews.

• what is the state of an object boxing, autoboxing, unboxing diff between stack and heap

• serialization

• threading

• comparitors.

• reference.

• garbace collection.

• exception handeling

• socket

• File handeling

• Collection: Treeset, sortedhashmap etc. sort.

• clonable, and all object methods.

• RMI

• overloading/overiding permutation

• interface hs toString method

• insaantiate an empty class implementing aninterface with methods.