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What is static in java?
Static means one per class, not one for each object no matter how many example of a class might exist. This means that you can use them without making an instance of a class.Static methods are implicitly final, because overriding is done based on the type of the object, and static methods are attached to a class, not an object.
A static method in a super class can be shadowed by another static method in a subclass, as long as the unique method was not declared final. Though, you can't override a static method with a nonstatic method. In other words, you can't alter a static method into an instance method in a subclass.
What is Overloading explain with an example? Overloading is while the similar method or operator can be used on several different kinds of data. For example the + sign is used
Spring configuration file is an XML file. This file having the classes information and defines how these classes are configured and introduced to each other.
What does it mean that a method or class is abstract? An abstract class cannot be instantiated. Abstract methods may only be included in abstract classes. However, an abstract
• Study and enhance the File System Simulator - See the FS_sim slide deck • New features - blockinfo - a new application that displays the information about the blocks in the file
Define the difference between StringBuffer and String class ?
Write a program that prompts for two people’s birthdays (month and day), along with today’s month and day. The program should figure out how many days remain until each user’s birt
Write a program in java that will analyze stock data and purchase stock with the user''s specific risk and investment. User will select risk from a GUI, high, medium or low and inp
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
300 words on oops and 1 program for each concepts
Write a bouncing ball video game. The game is similar to the one described and depicted in Figure of the text book. The balls bounces within the screen where the two horizontal wal
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