| Other Core Java Interview Questions |
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| Question | Asked @ | Answers |
| |
| how can you retrive information from database by using
hashmap/arraylist ,plz explain with example briefly? | Satyam | 1 |
| What is the return type of a program?s main() method? | | 2 |
| What is the need to implement Serializable interface (with
no methods) for objects which are to be serialized ?
We can write our own functionality which writes objects to
streams then why we need to implement and tell JVM that
which objects can be serialized. | iFlex | 4 |
| How many statements can be created with one connection in jdbc? | Polaris | 2 |
| What is a compilation unit? | | 2 |
| i need example for java abstraction. where we use
abstraction and why we need abstraction. | Oracle | 1 |
| What is the difference between array and arraylist?
what is the difference between arraylist and linkedlist? | EDS | 4 |
| What is the default modifier in Interface? | | 4 |
| what is struts-config-xml?and its use? | | 3 |
| What are the operands of instanceof operator? | | 2 |
| I have an HashMap object, which has with key and value pair.
It has 10 keys and values in that object. Now the question
is I want insert new key and value in middle or any where in
that list but not at the end or at the top. Is it possible
or not. If yes how can we achieve this one? | Huawei | 1 |
| EDS (Electronic Data Systems India Pvt Ltd) at Chennai on 16-12-2006. | EDS | 1 |
| What is the difference between serialization and
deserialization? | ABC | 2 |
| whats the diff between jsp and servlets? | HCL | 9 |
| Explain method overloading and overriding? | | 6 |
| what is mean by method signature? | Satyam | 5 |
| What is the frontend and backedn in Java? | TCS | 2 |
| what is stringtolennizer with example? | Symphony | 1 |
| What is the difference between java and .Net? | Bosch | 5 |
| What is Collection interface? | Zensar | 1 |
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| For more Core Java Interview Questions Click Here |
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