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What is Externalizable interface?
Externalizable is an interface which have two methods readExternal and writeExternal. These methods give you a control over the serialization mechanism.
Therefore if your class executes this interface, you can customize the serialization process by executing these methods.
Explain Vector or Object-Oriented Graphics? The representation of graphical objects, like as lines, circles, arcs, and rectangles, along with mathematical formulas. This techni
Aspect-Oriented Programming (AOP) represents OOP (Object Oriented Programming) by giving the developer to dynamically change the static OO model to make a system that can
Explain the equals() method The equals() method of java.lang.Object acts the similar as the == operator; that is, it tests for object identity rather than object equality. The
This program will help you start doing GUI programming, and is a good example of 2D arrays. Mine Sweeper is a classic game that is played on a 2D grid of cells. At the beginning of
Explain Code and Document Bases ? If you don't know the exact URL of the image, but you do know its name and in which it's in the similar directory as the applet, you can use
What is an Exceptions ? • What is an exception? • try-catch • finally • The different kinds of exceptions • Multiple catch clauses • The throws clause • Throwing excepti
Q. Write short on the method over ridding method in java? Ans. Method over ridding and dynamic binding: We have seen that a method in a super class is inherited by its subclass
What is output of the following JavaScript code? Str="Virtual University of Pakistan"; document.write(str.substring(5,str.length)) ;
What do you understand by private, protected and public? These are accessibility modifiers. Private is the most restrictive, whereas public is the least restrictive. There is n
J2EE (Java 2 Enterprise Edition) is an environment for deploying and developing enterprise applications on various operating system. The J2EE platform consists of J2EE components,
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