What type of variable is error flag?
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Difference between hashCode() & equals()?
Can we sort list in java?
What is difference between static class and normal class?
2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?
What is meant by constructor?
Can we make main() thread as daemon?
Give any two differences between C++ and java.
what is the diffrence between class and object?
What happens if an exception is throws from an object's destructor?
what is the difference between Object Based Language and Object Oriented Language?
What are the OOAD concepts in java explain with examples?
What is a variable declaration?