What is java util collection?
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Does it matter in what order catch statements for filenotfoundexception and ioexception are written?
What is indexof?
What is array pointers ?
Which method is used to find that the object is exited or not?
What is meant by interface?
What are blocks?.
Can a boolean be null java?
What is a constructor overloading in java?
what is the use of clone method? why user cant overwrite in sub class without its proper defination.
What is java and their uses?
What is the purpose of using break in each case of switch statement?
What are the practical benefits, if any, of importing a specific class rather than an entire package (e.g. Import java.net.* Versus import java.net.socket)?