| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| string is immutable? right every one knows that, my
question is it advantage or disadvantage making string
immutable? | HCL | 4 |
| How to declare unique ArrayList ? | RMSI | 4 |
| How does Vector implement synchronization? | Ness-Technologies | 2 |
| Difference between Choice and a List? | | 1 |
| why we import both packages java.awt.*; and java.awt.event.*;
as java.awt.*; can import all classes na. then what is the
need of importing java.awt.event.*; ? | | 2 |
| What is meant by throwing an Exception? | Accenture | 4 |
| what is difference between global methods and local methods? | | 1 |
| what ide u r using and wat version, how wil u build the
project etc ? | | 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 |
| why Runnable interface is preferable than extending the
Thread class? | Wipro | 5 |
| what is difference between Action messages and Action errors? | TCS | 1 |
| what models are available for event handling? | | 1 |
| Can we inherit the constructor in a Class?please give one
example. | iGate | 3 |
| finalize() method? | | 4 |
| What is an enumeration class? | | 2 |
| what is the Arraylist limit (maximum) by default ? | Fidelity | 6 |
| What are Advatages of Overloading and Overridding. | TCS | 3 |
| when to use abstract class and when to use interface? | IonIdea | 5 |
| strings in java are objects.why? | | 2 |
| how you will prevent inheritance is there any other way
other than inheritance? | Wipro | 4 |
| |
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