What are the differences between abstract class and interface?
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What is int lol?
Is there any need to import java.lang package?
What is += mean in java?
What is callable java?
What does next mean in java?
You can create a string object as string str = “abc”; why cant a button object be created as button bt = “abc”;? Explain
why java does not have operator overloading?
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)?
What is module in oop?
what is a thread?
What is a native method in java programming?
perpare on factorypattern,linklist wothout using collection, (multitharding ie create producer/customer therad producer create Queue continuesly,consumer consume queue, consumer wait if queue is full,producer wait if queue is empty),diff betn sleep(1000)&wait(1000) these r the main Q ask in huawei(2008)