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Design pattern: As you may look from the diagram given below, containers collect components. Sometimes you want to accumulate a container to another container. So, a container could be an element. Composite design pattern is used in GUI elements to achieve this. A composite object is an object, which have other objects. Composite design pattern manipulates composite objects just like you manipulate individual elements.
Explain all Java Primitive Data Types? boolean 1-bit. May take on the values true and false only. true and false are describe constants of the language and are not the s
An Action Class performs a role of an adapter among the contents of an incoming HTTP request and the corresponding business logic that should be implemented to process this request
Java Remote Method Invocation (RMI): It gives a way for a Java program on one machine to interact with objects residing in different JVMs. The important blocks of the RMI arc
What is Initializing Fields ? Fields can (and often should) be initialized while they're declared, just like local variables. class Car { String licensePlate = ""; // e.g
Ask question Write an inheritance hierarchy for classes Quadrilateral, Trapezoid, Parallelogram, Rectangle and Square. Use Quadrilateral as the superclass of the hierarchy. Create
What are three ways in which a thread can enter the waiting state ?
The fancy new French restaurant La Food is very popular for its authentic cuisine and high prices. This restaurant does not take reservations. To help improve the efficiency of the
OOPS with Java 1. Explain any five buzz words in Java. 2. Explain exception classes and also explain common exceptions in java. 3. Explain primitive and abstract data typ
What Can an Applet Do? An applet can: • Draw pictures on a web page • Create a new window and draw in it. • Play sounds. • Receive input from the user by the keyboard or
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