RatinalAssignment, 1. Make a class Rational to provide at least following m...

1. Make a class Rational to provide at least following methos and constructors: Rational r1= new Rational (3,5); Rational r2= new Rational (4,7); Rational r3=r1.add(r2);

Threads, programming challenges

programming challenges

What do you mean through ftp or file transfer protocol, What do you mean th...

What do you mean through FTP or File Transfer Protocol? FTP: File transfer protocol was first introduced in the year of 1973; it standardized the transfer of files among comp

Why there is a need to use primary key in database, Why there is a need to ...

Why there is a need to use primary key in database ? Primary key is a constraint basically used in datdabase to uniquely identify the records in the database.

Pessimistic and Optimistic concurrency control?,

Java is object oriented programme language, Java is Object oriented program...

Java is Object oriented programme language Java is comprehensively OOP language with robust memory system Memory errors largely disappear due to safe pointers and garbage c

How to prepare trial balnce reports, i m working on an accounting software ...

i m working on an accounting software and need the java code for preparing trial balance report

Solve neural network questions, Solve Neural Network Questions Project D...

Solve Neural Network Questions Project Description: You must know  Binary Chop and Kohonen Network, Backpropagation Algorithm. Implementation is required. Can using existi

Encapsulation, Defines to keeping all the related members together in an ob...

Defines to keeping all the related members together in an object. Specifying member variables as private may hide the methods and variables. Objects should hide their inner working

Describe java''s security model in details, Describe java's security model...

Describe java's security model in details?