| Other Core Java Interview Questions |
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| Question | Asked @ | Answers |
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| What is Exception handling in Java
How do you handle run time errors please explain with an
example | TCS | 2 |
| why there are multiple catches for a try block.don't tell me
that there can be multiple exception of a code segment
that's why.tell me the real fact behind this. | | 4 |
| Difference between overloading and Overriding. <Giving a
confusing example to test the concept.>
(also asked in PA Consultancy Group,iflex,Value
chain,IBM,CTS,Accenture, Tarang> | Symphony | 6 |
| Difference between JDK, JRE, JVM | Oracle | 5 |
| What for read() function? | | 3 |
| How can you reverse a string? | | 4 |
| what is polymorphism? | Zensar | 5 |
| What happens when you assigned a 'double' value to
a 'String'? | | 6 |
| What is the range of the short datatype? | | 2 |
| diff b/w sleep(1000) and wait(1000)? | Huawei | 2 |
| what is main purpose of interface? | Accenture | 2 |
| how can i cal servlet from jsp page?how can i pass
variablesfrom the jsp that servlet can access? | Verizon | 1 |
| Write a program to create a binary Tree ? | | 1 |
| Is 'null' a keyword? | | 3 |
| JSP is by default thread safe or not? what is the meaning of
isThreadSafe="true" and isThreadSafe="false". Explain it?
Thanks,
Seenu | Huawei | 3 |
| Does garbage collection guarantee that a program will not
run out of memory? | | 1 |
| why the equals method can be override?when we override the
equals method? | | 4 |
| What is update method and when it is called? | | 1 |
| Explain Global variables in Packages? | | 2 |
| Functionality of JVM? | Infosys | 4 |
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