Can we override private methods?
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Can we create a class inside a class in java?
Can an integer be null java?
What are the drawbacks for singleton class?
Is finalize() similar to a destructor?
how tha garbage collector know that the object will be deleted? on which algorithm the garbage collector works? what is the working principle of garbage collector? How manay types of garbage collectors r there?
what is the main difference between string and stringbuffer? can you explain it with program?
What do you understand by the term polymorphism?
how a marker interface gets its functionality and when we implements a marker interface how it got invoked
What is the difference between C++ & Java?
78 Answers College School Exams Tests, HAL, SUN, Syntel, TCS, Wipro,
Can you explain the usages of class.forname()?
explain oops concepts with examples?
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What is the difference between constructor and method?