| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Can you run the product development on all operating
systems ? | | 1 |
| What do u mean by wrapper Class?
What do u mean by Jvm... How do u change JVM for other OS?
Or No need to Change ...? its like tricky | EDS | 5 |
| Interface A {
String test();
}
Interface B {
int test();
}
Create a class AB which must implements both A & B
interfaces. | Hewitt | 13 |
| What is OOP?
| BMC | 2 |
| what is prepare statement?
what is calabedtarement? | Symphony | 1 |
| what do you meant by Runtime Polymorphism? | Persistent | 10 |
| what is the need of the Ajax? | iFlex | 5 |
| What is the use of an interface? | | 3 |
| What is an enumeration class? | | 2 |
| If all the methods in abstract class are declared as
abstract then what is difference between abstract class and
in interface? | Synechron | 6 |
| transaction attributes ? | | 2 |
| Howmany address lines are required to addressing 1 MB
memory? | | 3 |
| Adapter classes? | | 3 |
| Write program to print Hello World and print each character
address in that string and print how many times each
character is in that string?
Ex: H: 0 & 1
e:1 & 1
l :2,3,8 & 3
o:4,6 & 2
w:5 & 1
r: 7 & 1
d 9 & 1 | Huawei | 3 |
| i need example for java abstraction. where we use
abstraction and why we need abstraction. | Oracle | 1 |
| What is deadlock and how to avoid this? | | 2 |
| How do u provide security in java | | 1 |
| 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 |
| What is Marker interface in java? and what is clone? | Wipro | 7 |
| What is the difference between Abstract Class and Interface | AMDOC | 6 |
| |
| For more Core Java Interview Questions Click Here |
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