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What is the difference between an Interface and an Abstract class?
An abstract class can have instance methods that execute a default behavior. An Interface can only declare constants and instance methods, but cannot execute default behavior and all methods are implicitly abstract.
An interface has all public members and no execution. An abstract class is a class which may have the usual flavors of class members (private, protected, etc.), but has some abstract methods.
Binding is a method of associating or registering a name for a remote object that can be used at a later time to look up that remote object. A remote object can be linked with a na
Write a program called Power that displays the positive powers of 2. When the user enters the exponent at a prompt, the program displays 2 to that power. The program halts when the
Question 3 Using this line: var posneg : array [1..15] of integer; Write a program that calculates the number of negative and positive numbers in the array. Users will
Explain Multiple Initializers and Incrementers ? Sometimes it's essential to initialize several variables before starting a for loop. Similarly you may need to increment more t
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
What is Arithmetic promotion assignment and casting? In an assignment statement, i.e. if there's an equals sign, Java compares the type of the left hand side to the at last typ
a. Write an application for a video store. Place the names of 10 of your favorite movies in a combo box. Let the user select a movie to rent. Let the user select a movie to rent. D
Struts components can be classify into Model, View and Controller: ? Model: Components like business logic /business processes and data are the type of model. ? View: HTML, J
Give a example of Using toString() Methods ? Below is a version of CarTest in which uses toString() and System.out.println() instead of printing the fields in a straight line
Number = new Array(5); var abc=4; for(var i=1; i { Number[i]= abc*i; } Number.reverse(); for(j=0;j { document.write(" "+Number[j]+" "); } A) What should be output of above co
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