| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Difference between a Scrollbar and a ScrollPane? | | 1 |
| Explain, why the constructor is required in implemented
class? | | 2 |
| What is the difference between error and exception and
explain in simple words not whatever is given in the book. | | 6 |
| os is developed in c no
java is more secured then c na
why dont the os developed is developed using java | | 1 |
| Describe inheritance as applied to java? | | 4 |
| what is overloading in java? | DNS | 4 |
| What is CardLayout? | Infosys | 1 |
| Explain Connection Pooling? | | 3 |
| I have an HashMap object, which has with key and value pair.
It has 10 keys and values in that object. Now the question
is I want insert new key and value in middle or any where in
that list but not at the end or at the top. Is it possible
or not. If yes how can we achieve this one? | Huawei | 1 |
| What error occurs if a try-catch-finally statement sequence
does not have a catch clause? | | 2 |
| What is the difference between array and arraylist?
what is the difference between arraylist and linkedlist? | EDS | 4 |
| What is the return type of readLine() when end of a file is
reached? | | 1 |
| What is anonymous class? | | 2 |
| When will we use class loader? | | 1 |
| What is data abstraction? Elaborate with example? | BMC | 3 |
| is there any function in java to make the text to blink? | | 5 |
| can we have virtual functions in java? | Wipro | 7 |
| Name the method of a Container that can be used to cause a
container to be laid out and redisplayed? | | 1 |
| explain about jre and jvm | | 2 |
| Is it compulsory to have atleast one abstract method in
abstract class?
| | 7 |
| |
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