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Explain primitive data types in java?
Java's primitive data types are extremely similar to those of C. They involve boolean, byte, short, long, int, float, double, and char. The boolean type has been added. Therefore the implementation of the data types has been substantially cleaned up in various ways.
1. Where C and C++ go away a number of issues to be machine and compiler dependent (for instance the size of an int) Java specifies everything. 2. Java prevents casting among arbitrary variables. Only casts among numeric variables and among sub and superclasses of the same object are permitted. 3. All numeric variables in Java are signed.
sizeof isn't essential in Java because all sizes are precisely described. For instance, an int is always 4 bytes. This might not seem to be adequate while dealing with objects in which aren't base data types. Therefore even if you did know the size of a particular object, you couldn't do anything with it anyway. You cannot convert an arbitrary object within bytes and back again.
What are the List interface and its main implementation? List helps in collections of objects. Lists may include duplicate elements. Main implementations of List interface are
Write a program on clearing Rectangles ? It is also potential to clear a rectangle that you've drawn. The syntax is exactly what you'd expect: public abstract void clearRect
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Question 1 Write a program in Java to find the highest of any five numbers. How do you compile and execute this Java program? Question 2 Write a program to explain the Except
The design of the website will be left to the individual student. The website must be written only in xml, displayed in xhtml using transforms and xsl for styling elements. Javascr
The IncludeAction class is useful when you require to integrate Struts into an application that uses Servlets. Use the IncludeAction class to contain another resource in the respon
How to Loading Images in JAVA? Polygons, ovals, lines and text cover a lot of ground. The residual graphic object you need is an image. Images in Java are bitmapped GIF or JPEG
how to Using polymorphism to write a program to display digital clock?
data structure
As registered nurses, we often wonder "am I responsible for the L.P.N's and the C.N.A. assigned on my floor. Will I be blamed if someone makes an error or if someone gets hurt? N
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