what are abstract functions?
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What is an object's lock and which object's have locks in java programming?
i need source code for income tax program using java inheritance
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?
Explain about arraylist?
Which keyword specify that a variable is effectively final ?
What is externalizable interface?
Explain break statement and continue statement?
What is stream api in java8?
In what ways you can handle exception ?
string is immutable? right every one knows that, my question is it advantage or disadvantage making string immutable?
Difference between Superclass and Subclass?
What is string made of?