ProgrammingWall

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How to get Number of processors on a machine in java

Sample java code to read mails from your gmail account

You cannot have two methods in the same class with signatures that only differ by return type. Until the J2SE 5.0 release, it was also true that a class could not override the return type of the methods it inherits from a superclass. In this tip you will learn about a new feature in J2SE […]

Q. How to create Immutable class? Immutable objects are simply objects whose state (the object’s data) does not change after construction. Always construct an object completely, instead of using a no-argument constructor combined with subsequent calls to setXXX methods. Do not provide any methods which can change the state of the object in any way […]