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Core Java Interview Questions and Answers

Ques 121. Can an exception be rethrown?

Ans. Yes, an exception can be rethrown.

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Ques 122. When does the compiler supply a default constructor for a class?
Ans. The compiler supplies a default constructor for a class if no other constructors are provided.
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Ques 123. If a method is declared as protected, where may the method be accessed?
Ans. A protected method may only be accessed by classes or interfaces of the same package or by subclasses of the class in which it is declared.
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Ques 124. Which non-Unicode letter characters may be used as the first character of an identifier?
Ans. The non-Unicode letter characters $ and _ may appear as the first character of an identifier
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Ques 125. What restrictions are placed on method overloading?
Ans. Two methods may not have the same name and argument list but different return types.
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