| Other Core Java Interview Questions |
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| Question | Asked @ | Answers |
| |
| what is polymorphism with example?types of polymorphism? | HP | 5 |
| What are interfaces? | | 1 |
| Howmany number of objects we can store in an ArrayList. Is
there any limit? | TCS | 4 |
| explain the concept of inheritance with an example? | Polaris | 3 |
| 1).Is Object class abstract or not?
2).Is main method(public static void main(String args[])low
priority thread or high priority thread?
| TCS | 1 |
| Difference between String and String Buffer? | | 3 |
| when asub class inherits a super class and overrides a
public method of super class in sub class(public method in
super class).
why these methods needs to be public in sub class.
(otherwise compile time error). | | 2 |
| How a class can implement an interface? | SysArc | 4 |
| which one the better thread emplemented thread or extended ? | Fidelity | 3 |
| How multipleInheritance is possible in java? | Satyam | 15 |
| When we will use an Interface and Abstract class? | | 2 |
| can abstract class have constructor how can you achive
this ? | Fidelity | 3 |
| what is a transient variable? | | 2 |
| whats string ? | HCL | 4 |
| What are the Object and Class that classes used for? | | 2 |
| What is the use join() in Threads ? | HCL | 3 |
| How the elements are organized in BorderLayout? | | 4 |
| what is difference between class and object? | | 5 |
| How to add panel to a Frame? | | 2 |
| How can be define MARKER interfce in java | | 1 |
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