Explain about arraylist?
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What is the buffer limit?
What is the default access specifier for variables and methods of a class?
What does yield method of the thread class do?
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).
2 Answers Infinite Computer Solutions, TCS,
Explain java heap space and garbage collection?
Variable of the boolean type is automatically initialized as?
Define iterator and methods in iterator?
What is the common usage of serialization?
Which is illegal identifier in java?
When will you define a method as static in Java?
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what is anonymous class in java?
is java support call by reference and call by value, if supports please explain?