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|Java - Interview Questions and Answers|
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|Like Discuss Correct / Improve  java   oops   interfaces   yes-no   private|
|Can constructors be synchronized in Java ?|
|Can we use null as a key for a map collection ?|
|Can we override static methods ? Why ?|
|Can we reduce the visibility of the inherited or overridden method ?|
|Can we have multiple servlets in a web application and How can we do that ?|
|Can we instantiate the object of derived class if parent constructor is protected ?|
|Can we call constructor explicitly ?|
|Is it possible to compile and run a Java program without writing main( ) method?|
|Can we overload main method in Java ?|