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Assignment No. 01
Semester: Fall 2016
Web Design and Development -CS506
Total Marks: 20
Due Date: November 21,
2016
Instructions:
Please read the following instructions carefully before submitting assignment:
 You should submit your assignment before or on due date on VULMS.
 Your assignment should be your own work. It should not be copied from internet,
handouts or books.
 You are suggested to use Netbeans IDE for developing your assignment.
 You should import java swing and math packages in your classes.
 You should create project with your Roll No. in Netbean IDE and create required
classes.
 You should zip your complete project (along with .java,.class and .jar files etc.) and
upload on VULMS as a single file.
 Your zipped file should be in .zip or .rar file format only. Any compressed format
other than .zip or .rar of your programs will be considered the incorrect files and
rewarded by zero.
 Assignment sent via Email will not be replied and accepted in any case.
 If the submitted assignment does not open or file is corrupt, it will not be marked and
awarded Zero marks.
Objectives:
To build understanding towards building classes along with its related methods
To know how to write default and parameterized constructors
To write user-defined methods in classes and invoke them
To take user input using Graphical User Interface (GUI)
For any query about the assignment, contact at CS506@vu.edu.pk
Question: Marks 20
Write a java program to prompt the user to take the input in a double variable for the radius of a
sphere, and call method sphereVolume() to calculate the volume of the sphere.
Use the following statement to calculate the sphere volume:
Double volume = (4.0 /3.0) * Math.PI * Math.pow(radius, 3)
Note:
You should define two public classes Sphere and SphereTest. The Sphere class will contain the
calculation procedure of sphere along with data members and getter / seyter methods. SphereTest
class will contain the main method and use the object of first class to call its method.
Your program should have a separate print() method for displaying the volume of the sphere.
You should ensure that input value for radius should not be negative nor 0. In such cases, re-prompt
user to input again.
You should parse the input into related primitive data type using Wrapper classes, if required.
You should pass the user input to parameterized constructor.
You should write a default constructor that would set the value for radius to 1.0 for Sphere class.
BEST OF LUCK

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Replies to This Discussion

java is case sensitive language your mostly error due to to this reason like using system vs System.

thanks it's working great.

plz koi code share kr de mery pass y error show ho rha he

Attachments:

areeba ap apne code me dekhen... ap ne ek esa method likha hai jis ki return type void nai hai .. matlab wo method kuch return krta hai maslan string ya double ya int wagera return krta hai.... lakin apne us me return kuch nai kia ... yani apne method ko define kia hai public double someMethod() ki trha lakin ap ne os me se return ka keyword use krty hoy kuch return nai kia :) isy corect kren 

mera bi same error arha ha ...

Dear Students Don’t wait for solution post your problems here and discuss ... after discussion a perfect solution will come in a result. So, Start it now, replies here give your comments according to your knowledge and understandings....

Solution... compile in Netbeans, for command prompt follow the instructions of snapshot.

Attachments:

Welcome

Jo zip folder send krni hsi os me kn kn se files hni chahiye???
.java and .class ki...,??
Or total kitni files hngi?
Areeba dear mai batanay lgi thi but ap disconnect ho gai thi..

ye assignment lec 9 men sy kaisy ha mjy ye smjh ni aa rhi   is men hm  ny JOptionPane class use krni ha na input etc k liye

Here I upload complete solution of Cs506 Assignment download zip file and right click the zip file and extract solution Here is link for some instruction How download and isntall Java JDK https://www.youtube.com/watch?v=FzKcJK68z2k&t=96s And Here is Link For java JDK Download
http://download.oracle.com/otn-pub/java/jdk/8u111-b14/jdk-8u111-win...
Here Is Link for NetBeans Download
https://netbeans.org/downloads/start.html?platform=windows&lang...
Now You simply open project in Netbeans for study and run the code
The Above instruction can be only for beginner who dose not know how to install JDK
And Netbeans
Enjoy . . . ..

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