| Other Core Java Interview Questions |
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| Question | Asked @ | Answers |
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| What is static binding and where it occurs? | | 2 |
| What is the format of Inner Class after it compiled? | | 1 |
| Can a double value be cast to a byte? | | 3 |
| A abstract class extending an abstract class.Super class
has both abstract and non-abstract methods.How can we
implement abstract and non-abstract mehtods? Explain with
snippet | | 3 |
| what is finalmethod & final variable with example? | HP | 2 |
| Marker interface means , interface which has no methods.Then
what is the necessity of its usage.I read "it tells the
compiler that it should be treated differently ". "It is
used to store state of an object". But still am not
clear.Please explain clearly. | | 1 |
| what are the oops concept in java explain with real time
examples | Tech-Mahindra | 4 |
| What is constructor and virtual function? | | 4 |
| What is a Wrapper class? | | 9 |
| Why is prepared Statement, Callable Statement used for? What
is the need of Batch updates? | Logica-CMG | 1 |
| Difference between the paint() and repaint() methods? | | 1 |
| What is a default package ? | | 7 |
| How to find the length and capacity of a string buffer ? | | 2 |
| Difference between JDK, JRE, JVM | Oracle | 5 |
| what is difference betwwen hashmap and hashtable ? | Fidelity | 6 |
| What is the argument type of main() method? | | 2 |
| As a developer what steps do you take to improve the
performance? | | 3 |
| Which class is extended by all other classes? | | 2 |
| what is difference between throw and throws in exception? | | 16 |
| what is use of session tracking ?with example? | Photon | 1 |
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