| Other Core Java Interview Questions |
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| Question | Asked @ | Answers |
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| what is generics in jdk1.5? | Bally-Technologies | 1 |
| what is the difference between pagecontext and
servletcontext? | JBA-Infotech | 4 |
| What is a reflection package? | | 2 |
| While opening the file, what type of exceptions can be
caught? | | 3 |
| Name the package that always imported by default? | | 2 |
| Hi Friends, can you give difference between extending thread
class and implementing runnable interface. | | 2 |
| When you Click a Button, What event will be fired? | | 2 |
| Difference between String and String Buffer? | | 3 |
| What is an abstract class and abstract method? | | 4 |
| What are access modifiers in Java ? | | 5 |
| Can we have a abstract class withought any method? What is a
purspose of this? | | 1 |
| What is the differnence between String Buffer and String
builder despite having knowledge that String builder is
faster than String Buffer and last one is threadsafe.please
tell another important difference. | | 3 |
| why Runnable interface is preferable than extending the
Thread class? | Wipro | 5 |
| Difference between JDK, JRE, JVM | Oracle | 5 |
| what is the difference between abstract class and
Interface?where we can use it in realtime projects? | Logica-CMG | 10 |
| what is polymorphism? | Zensar | 5 |
| What is more advisable to create a thread, by implementing
a Runnable interface or by extending Thread class? | | 5 |
| what is meant by serialization? | | 6 |
| Which method is used to find that the object is exited or
not? | | 1 |
| Same common question what is Map,Set,HashMap,List???? | Symphony | 3 |
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