| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| what is wrapper class and its uses? | | 2 |
| What is Map interface? | Wipro | 2 |
| what is use of business objects? | Tech-Mahindra | 3 |
| what is servlet filter? | | 1 |
| What primitive Java types? Howmany are they and what are
their names? | | 3 |
| what is jms? features of jms | CTS | 1 |
| What is the top class of AWT event hierarchy? | | 5 |
| What we have to do, when we don't want to implement all
methods of an interface? | | 2 |
| What is numeric promotion? | | 1 |
| What is the basically use of finally while we know it
is always executed but why? | TCS | 4 |
| In Inheritence concept, i have a static method in super
class and i am inheriting that class to one sub class.in
that case the static method is inherited to sub class or
not???? | Accenture | 8 |
| What is the basic functionality of DataOutput interface in
java? | TCS | 2 |
| What is the difference between C++ & Java? | Syntel | 21 |
| What is Locale class? | MySoft | 1 |
| Describe inheritance as applied to java? | | 4 |
| We can write any Java Logics in our JSP. Then why we are
using servlets(Controller Layer) to interact with the DAO ? | TCS | 2 |
| Can you call a constructor within a constructor? | | 6 |
| String is a immutable objects . it means that string does
not change...........
But it will be chang.........
{
String s="kapil";
String s1="raj";
String s=s1;
then print(.......)
The String has been changed ..
how it is possible and why its called immutable objects | | 3 |
| Interface A {
String test();
}
Interface B {
int test();
}
Create a class AB which must implements both A & B
interfaces. | Hewitt | 13 |
| int a=10,b=20,c=30 a= b+c;b=a+c;c=a+b;
System.out.println("The value is"+a+b+c;
| Honeywell | 16 |
| |
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