Roni N
Method which returns area of circle
Posted in : Java Beginners

Need simple Java Method example that returns area of circle

February 23, 2008 at 3:50 PM

Java Example Code

With the help of given Java code you can return the area of a circle and give the radius as a parameter.

import java.io.*;

public class AreaAndParameter
{
public static void main(String[] args)
{
double r=0;
try{
System.out.print("Enter Radius of Circle : ");
AreaAndParameter a = new AreaAndParameter();
double area = a.areaOfCircle(r);
System.out.println("Area of Circle : "+area);
double perimeter = a.perimeterOfCircle(r);
System.out.println("Perimeter of Circle : "+perimeter);

}
catch(Exception e){

System.out.println("Error : "+e);
}
}
public double areaOfCircle(double r){
double area = Math.PI*r*r;
return area;
}
public double perimeterOfCircle(double r){
double perimeter = 2*Math.PI*r;
return perimeter; }}

Method which returns area of circle - Java Beginners
Method which returns area of circle  Need simple Java Method example that returns area of circle  Java Example CodeWith the help of given Java code you can return the area of a circle and give the radius
Example for a method in java which returns a class
Example for a method in java which returns a class  Hi, I want to create a 1 class,and declare some methods there.I need to method must returns a classname.when i call that particular method(which returns a class),how can i
area of a circle - Java Beginners
area of a circle  Write a class circle which consists of functions getdata() and area(), and also write a main program to create a circle object and to find the area by calling the function area () in circle class and display
BlueJ (area of circle)
BlueJ (area of circle)  How does one write a program to calculate the area of a circle in BlueJ? Note that the user will have to provide the radius.   A simple program to calculate the area of a circle. radius provided
How to calculate area of Circle
How to Calculate Area of Circle   ... of calculating  the area of circle. In this program you will be taught each and every... the area of circle. After that it return the area of circle, return the doubles type
Write a program to calculate area and perimeter of a circle
Write a program to calculate area and perimeter of a circle... example will teach you the method for preparing a program to calculate the area and perimeter of a circle. First of all name a class as "CircleArea"
Regarding method returns multiple values
Regarding method returns multiple values  Hi, 1)I have a requirement like,1 method returns multiple values.how to do that one. 2)can i use method, for example like getFile()[] in this way or not. plzzzzzzzzzzzzzzzzzz provide
circle
circle  Program to test whether a given point lies inside a circle... of the circle : "); double r = input.nextDouble... of circle : "); double x1 = input.nextDouble(); System.out.print
Generic method that returns the biggest item in the list.
Generic method that returns the biggest item in the list.  class EngineerProject{ String engrName; double totalBudgets; String department... } } Write a generic method that returns the biggest item in the list. Each
Circle question - Java Beginners
includes a static method createCircle() that o reads a radius of a circle from the user o creates a circle object, and o returns the object. ? The program creates a circle object by using the above method. ? The program passes the circle
Which method is more efficient?
Which method is more efficient?  I'm faced with initializing a bunch of text fields in java. The problem is that the number of text fields is quite large, so i thought of putting them into an array and using a loop to initialize
Creating circle inside a circle
Creating circle inside a circle  hi can any one give code for following output by awt/swing creating circle inside a circle ,outside cirlce and intersect a circle
Java Circle to Circle collision detection
Java Circle to Circle collision detection  Java Circle to Circle collision detection
Java method final parameter
. In the example the radius parameter for calculating the area of circle have been... which the calculation part of the program is coded.  Now in the main method...*radius*radius; System.out.println("Area of Circle= "+area
could you suggest me that in which area i have to do a project?i want a complete guidence to complete my project.
could you suggest me that in which area i have to do a project?i want a complete guidence to complete my project.  could you suggest me that in which area i have to do a project?i want a complete guidence to complete my project
Java GUI code- creating a circle
that prompts the user to enter the center and a point on the circle, which is (x,y)(x2,y2). The program should then output the circle's radius, circumference, and area. I did my code but I can't seem to figure out the mathematical code
Clip Area
. The method setClip() sets the clipping area to clip the shape.  Here... Clip Area       This section illustrates you how to show the clipping of Area. A Clip
How to found which class or method contain specific annotation?
How to found which class or method contain specific annotation?  ... and execute that method or class which ever is possible... which class is using @one annotation and which @Two? OR We are having a class
How to draw a circle bucket, draw a circle bucket, circle bucket
How to draw a circle bucket       This example has a simple way to learn easily to make a circle shape... style: Go to Layer menu > Layer style > Bevel and emboss. Draw Circle
setting RGB for a circle
setting RGB for a circle  how can i change the color of the circle(not through filling it) and i want to use RGB (not regular colors such as black or red..) i should include RGB numbers (for example 240, 150, 19) but i am
How do I handle the reaction of a circle and a semi-circle colliding in java?
How do I handle the reaction of a circle and a semi-circle colliding in java?  How do I handle the reaction of a circle and a semi-circle colliding in java
By using Applet display a circle in a rectangle
By using Applet display a circle in a rectangle  Write a java applet to display a circle in a rectangle
Text Area
Text Area  how to browse an image in text area instead of giving url of particular image
How to design a circle logo, design a circle logo, a circle logo
How to design a circle logo     ... will learn here a simple circle logo, I have not used tough steps so it is easy... a "Circle thin frame" by the Custom shape tool (U key) with any
isequaltostring returns false
isequaltostring returns false  Is "isequaltostring" returns false? How can we set the "isequaltostring nil"?? Please answer. Thanks in advance
JavaScript Math.sin() method
JavaScript Math.sin() method       JavaScript's Math.sin() method returns mathematical sine... an input box into which user can input the values for sin() method. We have also
How to Create Circle In Java
How to Create Circle In Java     ..., you will learn how to create Circle Diagram. The java circle is the most... the shape to enclose an area. The Java2D API  also provides several classes
method overriding in java
method overriding in java  program to compute area of square,rectangle,triangle,circle and volume of sphere,cylinder and perimeter of a cube using method overriding
method overriding in java
method overriding in java  program to compute area of square,rectangle,triangle,circle and volume of sphere,cylinder and perimeter of a cube using method overriding
MySQL Area
the call method. Query call rect_area(10, 20... MySQL Area       This example illustrates how to find the area of rectangle in MySQL. In this example
Area Tag in html5, Definition of <area> tag in HTML5.
Area Tag in html5, Definition of  <area> tag in html5... in the html document. The <area> tag is used for creating an area...: The syntax for the <area> tag is as follows: <area
Tutorials