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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 can you do with an exception once you've caught it? 1. Fix the difficulty and try again. 2. Do anything else instead. 3. Exit the application along with System.exit() 4
1. Unit tests :There are two popular processes to testing server-side classes: mock objects, which test classes by checking the server container, and in-container testing, which
Talent agencies like ICM, CAA and Paradigm represent writers, directors and actors (among other talent). These agencies take in hundreds of millions of dollars a year collecting 1
program for board coloring
Does RMI-IIOP support dynamic downloading of classes? Ans) No, RMI-IIOP doesn't support dynamic downloading of the classes as it is complete with CORBA in DII (Dynamic Interface
Pick your favorite geometry formula (e.g., area of a square, perimeter of a triangle …) and implement it in Java. Demonstrate your code compiles and runs without issue (You can use
Prog. Concepts - Project The objective is to implement a menu - based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declare
How can we define the difference between the Boolean & operator and the && operator ?
describe data abstraction
Super() Constructer: It is used to call constructor of parent class. Should be the first statement in the body of constructor. Using this we can access private variables
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