When the constructor of a class is invoked?
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What methodology can be employed to locate substrings inside a string?
What will be the default values of all the elements of an array defined as an instance variable?
What do you mean by multithreaded program?
Can you call a method on a null object?
What are the restrictions imposed on method overriding?
I want my class to be developed in such a way that no other class (even derived class) can create its objects. How can I do so?
Explain how to convert any java object into byte array.
What is boolean keyword in java?
Explain which of the following methods releases the lock when yield(), join(),sleep(),wait(),notify(), notifyall() methods are executed?
Iterator in the HashMap is fail-safe means what?
What is used of static keyword in java?
How we create object in copy constructor?