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|Interview Questions and Answers|
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|Like Discuss Correct / Improve  kafka   bigdata   yes-no   yes no|
|Can constructors be synchronized in Java ?|
|Can we use null as a key for a map collection ?|
|Can we overload main method in Java ?|
|Can we override static methods ? Why ?|
|Can we reduce the visibility of the inherited or overridden method ?|
|Can we declare interface methods as private ?|
|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 declare an abstract method private ?|
|Can we call constructor explicitly ?|