Compaq Placement Paper For Freshers Part-4
31. What are the different scopes for java variables? The different scopes for java variables are as follows:- Local Instance Static (99)
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21) What is the difference between instanceof() and isInstance()? instanceof() is used to see whether the object can be typecast without making use of the exception. isInstance() is to check whether the specified object is compatible with the class that…
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11) What are the disadvantages of threads? The main disadvantage of using thread is that it is operating system dependent. It require to follow CPU cycle that various from system to system. Deadlock occurs (108)
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1) What is an object? An object is an entity, which consist of attributes, behaviors and qualities that describe the object. (122)
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