What is rule of accessibility in java?
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what is Dictionary? and what purpose it is used for?
Is singleton class immutable?
What is the purpose of methodology?
Wha is the output from system.out.println(“hello”+null); ?
What is java thread dump, how can we get java thread dump of a program?
Difference between overriding and overloading in java?
What is a private class in java?
What is the difference between constructor and method?
What is the default access specifier for variables and methods of a class?
Why generics are used in java?
Why would you desing a J2EE application so user data is entered by way of a JSP page and managed by an underlying Java Beans class?
What are null interfaces? Give some examples?