| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| What is Connection pooling? Explain Pros and Cons? | | 1 |
| Can an object be garbage collected while it is still
reachable? | | 2 |
| What is the diff. b/w Interfaces & Abstract class? | Ericsson | 4 |
| What is the difference between add() and addElement()
method in Vector Class ? | TCS | 2 |
| how can u create the object with out new operator | | 2 |
| What is means by DLL file means ?
What is the use of DLL file?
What are the contents of DLL file? | | 2 |
| What is the difference between array and arraylist?
what is the difference between arraylist and linkedlist? | EDS | 4 |
| long d =10;int i =0;i=d; /// is this possible? If d is very
long number (10 digits or some thing) then? | | 3 |
| How the elements are organized in BorderLayout? | | 4 |
| methods in Applet? | | 1 |
| Which class is extended by all other classes? | | 2 |
| what Data encapsulation in java? | | 4 |
| Difference between String and String Buffer? | | 3 |
| Hi Friends, Can u give few interview questions which relates
ArrayList and Hashmap. I mean how to link ArrayList and
HashMap.I know this is not good way of asking questions like
this , but i need | Microsoft | 1 |
| What is "finally" keyword? | | 3 |
| how can you retrive information from database by using
hashmap/arraylist ,plz explain with example briefly? | Satyam | 1 |
| what is the difference between cd & dvd ? | Satyam | 11 |
| What is operator? | | 2 |
| why String class is immutable. | iGate | 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 |
| |
| For more Core Java Interview Questions Click Here |
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