Java source--Calculate the surface area and volume of three-dimensional graphics source code

Calculate the surface area and volume of the ball, cylinder, cone.

Using interface implementations.

On the code.

Contants.java

Constant Storage class

Package com.fuxuemingzhu.solidgraphics.contants;

/**
 * <p>
 * title:contants
 * </p> *
 <p>
 * Description: constant class, storing constant values used in the program
 * </p> * * * * * 
 @author fuxuemingzhu * * @email fuxuemingzhu@163.com * * 
 @date October 28, 2014 PM 2:18:43
/public class Contants {

	/**
	 * PI pi */public
	static float PI = (float) Math. PI;

}

Solidgraphics.java

Three-dimensional graphics interface, all stereo graphics to implement this interface

Package com.fuxuemingzhu.solidgraphics.base;

/**
 * <p>
 * title:solidgraphics
 * </p> *
 <p>
 * Description: Stereo Graphics interface, All stereo graphics are to implement this interface
 * </p>
 * * 
 @author Fuxuemingzhu
 * * * 
 @email fuxuemingzhu@163.com
 * 
 * @date October 28, 2014 afternoon 1:52:22/Public
interface Solidgraphics {

	/**
	 * <p>
	 * Title:caculatearea
	 * </p>
	 * <p>
	 * Description: Calculating the surface area of three-dimensional graphics
	 * </p>
	 * 
	 * @return three-dimensional surface area
	 * * * 
	 /public
	float Caculatearea ();

	/**
	 * <p>
	 * Title:caculatevolume
	 * </p> *
	 <p>
	 * Description: Calculate the volume of three-dimensional graphics
	 * </p> * * 
	 @return Stereo Volume
	 * 
	 /public
	float Caculatevolume ();

}

Ball.java

Ball

Package com.fuxuemingzhu.solidgraphics.entity;
Import Com.fuxuemingzhu.solidgraphics.base.SolidGraphics;

Import com.fuxuemingzhu.solidgraphics.contants.Contants; 
 /** * <p> * title:ball * </p> * <p> * Description: Ball * </p> * * @author Fuxuemingzhu *
	 * @email fuxuemingzhu@163.com * * @date October 28, 2014 PM 1:54:53 * * Public class Ball implements Solidgraphics {/**

	* R Ball Radius * * Private float R; /** * <p> * title:ball * </p> * <p> * Description: Construction method, according to the radius of the ball to construct the ball * </p> * * @pa
		RAM R */public Ball (float R) {super ();
	THIS.R = R; /** * (Non-Javadoc) * <p> * Title:caculatearea * </p> * <p> * Description: Calculate the surface area of the sphere * ;/p> * * @return three-dimensional surface area * @see com.<span style= "font-family:arial, Helvetica, Sans-serif;" >fuxuemingzhu</span><span style= "font-family:arial, Helvetica, Sans-serif;" >.solidgraphics.base.solidgraphics#caculatearea () </span> * * Public float Caculatearea () {Float area = (float) (4 * Contants.pi * MATH.POW (R, 2));
	return area; /** * (Non-Javadoc) * <p> * title:caculatevolume * </p> * <p> * Description: Calculate the volume of the ball * &L  t;/p> * * @return Stereo Volume * @see com.caifugui.solidgraphics.base.solidgraphics#caculatevolume ()/public float

		Caculatevolume () {Float volume = (float) (4f/3f) * Contants.pi * MATH.POW (R, 3));
	return volume;
	}/** * @return the R */public float GETR () {return r;
	/** * @param R * the R to set */public void Setr (float r) {THIS.R = R;
 }

}

Cylinder.java

Cylindrical series

Package com.fuxuemingzhu.solidgraphics.entity;
Import Com.fuxuemingzhu.solidgraphics.base.SolidGraphics;

Import com.fuxuemingzhu.solidgraphics.contants.Contants; /** * <p> * title:cylinder * </p> * <p> * Description: Cylindrical type * </p> * * @author Fuxuemingzh  U * * * * * @email fuxuemingzhu@163.com * * @date October 28, 2014 PM 1:55:07/public class Cylinder implements Solidgraphics

	{/** * R cylinder's RADIUS * * Private float R;

	/** * H Cylinder High * * private float H; 
	 /** * <p> * title:cylinder * </p> * <p> * Description: Construction method, based on the radius of the cylinder and the high tectonic column * </p> *
		* @param R * @param h */public Cylinder (float R, float h) {super ();
		THIS.R = R;
	This.h = h; /** * (Non-Javadoc) * <p> * Title:caculatearea * </p> * <p> * Description: Calculate the surface area of a cylinder * &L t;/p> * * @return three-dimensional surface area * @see Com.fuxuemingzhu.solidgraphics.base.solidgraphics#caculatearea ()/Public FL Oat Caculatearea () {float ARea = (float) (Contants.pi * MATH.POW (R, 2) * 2 + 2 * CONTANTS.PI * R * H);
	return area; /** * (Non-Javadoc) * <p> * title:caculatevolume * </p> * <p> * Description: Calculating Cylinder Volume * & lt;/p> * * @return Stereo Volume * @see com.fuxuemingzhu.solidgraphics.base.solidgraphics#caculatevolume ()/Public

		Float Caculatevolume () {Float volume = (float) (Contants.pi * MATH.POW (R, 2) * h);
	return volume;
	}/** * @return the R */public float GETR () {return r;
	/** * @param R * the R to set */public void Setr (float r) {THIS.R = R;
	/** * @return The H */public float Geth () {return h;
	}/** * @param h * To set */public void SetH (float h) {this.h = h;
 }

}

Tapered.java

Cone type

Package com.fuxuemingzhu.solidgraphics.entity;
Import Com.fuxuemingzhu.solidgraphics.base.SolidGraphics;

Import com.fuxuemingzhu.solidgraphics.contants.Contants; 
 /** * <p> * title:tapered * </p> * <p> * Description: Cone type * </p> * * @author Fuxuemingzhu 

	* * * * * @email fuxuemingzhu@163.com * * @date October 28, 2014 PM 1:55:18/public class tapered implements Solidgraphics {

	/** * R Cone RADIUS * * Private float R;

	/** * H Cone High * * private float H; 
	 /** * <p> * title:tapered * </p> * <p> * Description: Construction method, according to the radius of the cone and the high structural cone * </p> *
		* @param R * @param h */public tapered (float R, float h) {super ();
		THIS.R = R;
	This.h = h; /** * (Non-Javadoc) * <p> * Title:caculatearea * </p> * <p> * Description: Calculate the surface area of the cone * & lt;/p> * * @return three-dimensional surface area * @see Com.fuxuemingzhu.solidgraphics.base.solidgraphics#caculatearea ()/public F Loat Caculatearea () {Float area = (float)
		(0.5f * MATH.SQRT (Math.pow (R, 2) + Math.pow (H, 2)) * 2 * Contants.pi * r + contants.pi * MATH.POW (R, 2));
	return area; /** * (Non-Javadoc) * <p> * title:caculatevolume * </p> * <p> * Description: Calculating the volume of a cone *  </p> * @return Stereo Volume * @see com.fuxuemingzhu.solidgraphics.base.solidgraphics#caculatevolume () * * Public
		Float Caculatevolume () {Float volume = (float) (1f/3f) * Contants.pi * MATH.POW (R, 2) * h);
	return volume;
	}/** * @return the R */public float GETR () {return r;
	/** * @param R * the R to set */public void Setr (float r) {THIS.R = R;
	/** * @return The H */public float Geth () {return h;
	}/** * @param h * To set */public void SetH (float h) {this.h = h;
 }

}

Main.java

Main class, showing the three-dimensional surface area, volume and other information

Package com.fuxuemingzhu.solidgraphics.main;
Import Com.fuxuemingzhu.solidgraphics.entity.Ball;
Import Com.fuxuemingzhu.solidgraphics.entity.Cylinder;

Import com.fuxuemingzhu.solidgraphics.entity.Tapered; /** * <p> * title:main * </p> * <p> * Description: Main class, showing the three-dimensional surface area, volume and other information * </p> * * @author Fuxuemingzhu * * * * * * @email fuxuemingzhu@163.com * * @date October 28, 2014 afternoon 3:46:57/public class Main {/** * ball

	Declare a sphere */private static Ball Ball;

	/** * Cylinder declares a cylindrical body/private static cylinder cylinder;

	/** * Tapered Declare a cone/private static tapered tapered; /** * <p> * title:main * </p> * <p> * Description:main () method, program entry * </p> * * @par

		AM args * */public static void main (string[] args) {/////constructs and displays the Sphere Showball (8f);

		Construct and display cylindrical showcylinder (4f, 10f);

	Construct and display cone showtapered (4f, 10f); /** * <p> * title:showball * </p> * <p> * DeScription: Construct and present a sphere * </p> * * @param r */private static void Showball (float r) {////construct a sphere BA

		ll = new Ball (r);
		Display Sphere System.out.println ("The radius of the input ball is:" + BALL.GETR ());
		System.out.println ("The surface area of the ball is:" + Ball.caculatearea ());

	System.out.println ("The volume of this ball is:" + ball.caculatevolume () + "\ n"); 
	 /** * <p> * title:showcylinder * </p> * <p> * Description: Construct and display a cylinder * </p> * * @param R * @param h * */private static void Showcylinder (float R, float h) {///construct a cylinder cylinder = new C

		Ylinder (R, h);
		/Show Cylinder SYSTEM.OUT.PRINTLN ("input cylinder's bottom circle radius is:" + cylinder.getr () + ", High for:" + Cylinder.geth ());
		System.out.println ("The surface area of this cylinder is:" + Cylinder.caculatearea ());

	System.out.println ("The volume of this cylinder is:" + cylinder.caculatevolume () + "\ n"); 
	 /** * <p> * title:showtapered * </p> * <p> * Description: Construction and presentation of a cone * </p> * * @param R * @param h * * * * private static void ShowtaPered (float R, float h) {/////constructs a cone tapered = new Tapered (R, h);
		/Show cone System.out.println ("input cone's bottom circle radius is:" + tapered.getr () + ", High for:" + Tapered.geth ());
		System.out.println ("The surface area of this cone is:" + Tapered.caculatearea ());
	System.out.println ("The volume of this cone is:" + tapered.caculatevolume () + "\ n");
 }
}

Attach a screenshot of the operation.