What is bitwise complement?
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What will happen inside init() in servlet. my interviewer asked servlet lifecycle. i said "once servlet is loaded in to memory init() will be called which performs servlet initialization " . Again interview asked what values will be initialized . what is difference between init() and init(ServletConfig config).
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Can a final method be overloaded?
What is the difference between final, finally and finalize() in java?
Suppose if we have variable ' I ' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?
Differentiate between a class and an object.
What is preflight request?
What is a text string?
Can we print null in java?
What are library required to connect to excel sheet.
What is the difference between a Window and a Frame?
How is hashcode calculated in java?
Define canvas?