Monday, 8 July 2013

TOMORROW LAB PROGRAM

1. Design a class for Complex numbers in Java.  In addition to methods for basic operations on complex numbers, provide a method to return the number of active objects created.

ALGORITHM:
step 1:Define the class complex with the members real,img in double.
step 2:Declare a static integer variable n and initialise it as 0.
step 3:Using default constructor,increment the 'n' value by 1 and initialize read & img as0.0.
step 4:Define the method add() with the returntype complex to add two complex numbers.
step 5:Define the method sub() with the returntype complex to sub two complex numbers.
step 6:Define the method read() to get real&img.
step 7:Define the static method objcount() to count the number if objects created.
step 8:Define the method print() to display the real & imaginary part.
step 9:Terminate the class.
step 10:Define the class compresult and write the main() in it.
step 11:Create objects for the class complex and access the methods using the objects.
The method objcount can be accessed using the classname only.
step 12:Display the result.
step 13:Terminate the main() and the class.  

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