What is externalizable?
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What is the difference between the reader/writer class hierarchy and the inputstream/outputstream class hierarchy in java programming?
Suppose i have two threads t1 and t2 are running.How the main thread will know that the two threads t1,t2 execution has completed?
How are java objects passed to a method and what are native methods?
what is ejb? what is the importance of ejb?
Can we declare a constructor as final?
What is difference between protected and private?
Difference between operator overloading and function overloading
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we have two threads..both the threads are reading the data.. is there any need of synchronization there?...justify it?
How do you find the maximum number from an array without comparing and sorting?
write a class to input 2 points by the user & check the line maked by the points is horizontal,vertical or rectangle?
What is null mean in java?
Can we override a variable in java?