What is the exception hierarchy in java?
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What is r in java?
What is java instanceof operator?
can u handle an error if u write Thowable in the catch class lise try { some errorneous code }catch(Throwable e){ ...}
what is different between static and non static methods ,using example
Does a function need a return?
In what circumstances, compiler will supply a default constructor for a class?
How is treeset implemented in java?
can we Connect Applet to Data Base ? with Discriptiom. and also What is Diff. from Applet & Servlet?
i need example for java abstraction. where we use abstraction and why we need abstraction.
What is java beans?
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 cloneable interface?