Following are the different types of inner classes in Java interview questions. Nested top-level classes- If you declare a class within a class and specify the static modifier, the compiler treats the class just like any other top-level class Any class...

In clustering there are multiple J2EE containers running on multiple JVM'S as a Result maintaining singleton is possible with following steps 1) RMI singleton object is created on only one container 2) Stubs of the same are registered in the cluster by...

This is one of the typical Java interview questions asked by the interviewer during the interview session. So one can proceed answering it as follows: - JdbcRowSet: A wrapper around a ResultSet object that makes it possible to use the result set as a...

What is Upper bounded wildcards in generics? What is JAR file? What are different types of inner classes? Can we declare an anonymous class as both extending a class and implementing an interface? What is the difference between a static and a non-static...

What is a native method? Does Java provide any construct to find out the size of an object? Is Empty .java file a valid source file? Can a .java file contain more than one java classes? What is the difference between an argument and a parameter? What...

What if the main method is declared as private? What if the static modifier is removed from the signature of the main method? Can we define private and protected modifiers for variables in interfaces? Can there be an abstract class with no abstract methods...

A view can be thought of as either a virtual table or a stored query is a database object that is a logical representation of a table Views are mainly classified as Simple view: is created by selecting only one table does not contains functions. can perform...