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Differentiate Local and Global Variables?
Local variables are the variables have limited scope although global have bigger scope Local variables are not accessed through others although global is accessible to every one Local variable used through single user while global variable can be used through different users at time from all around.
Calculate the kilometer within an hour? class Car { String licensePlate = ""; // e.g. "New York 543 A23" double speed = 0.0; // in kilometers per hour doubl
You are required to design & implement online food delivery system using Java RMI technology. This involves writing both the server and the client program(s). Client programs can u
Define the difference between StringBuffer and String class ?
Describe methods of Basic Applet Life Cycle ? All applets have the subsequent four methods: public void init(); public void start(); public void stop(); public void destroy();
Describe Polymorphism? Polymorphism can be referred as one name many forms. It's the ability of methods to behave differently, depending upon object who is calling it. Key feat
What is an abstract class? Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie. you may not
Describe The ? operator in Java langauge? The conditional operator just works for assigning a value to a variable, using a value within a method invocation, or in a few other w
O/R mapping is well suited for read, change, write centric applications and not suited for write centric applications where data is seldom read. Although this was usually true of m
When should a method be static? • Neither reads from nor writes to example fields • Independent of the state of the object • Mathematical methods which accept arguments, appl
two different object may have chance to have same behavier but property must be different why?
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