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标题: 设计一个几何图形抽象类设计一个平面图形抽象类和一个立体图形抽象类 [打印本页]

作者: java无忧网 时间: 2020-4-20 11:42
标题: 设计一个几何图形抽象类设计一个平面图形抽象类和一个立体图形抽象类

public class Test {
public static void main(String[] args) {
Ball ball=new Ball(5);
ball.print();
System.out.println("面积:"+ball.graphicA());
System.out.println("体积:"+ball.graphicV());

Cylinder c=new Cylinder(3,5);
c.print();
System.out.println("面积:"+c.graphicA());
System.out.println("体积:"+c.graphicV());

Cone cone=new Cone(7,8);
cone.print();
System.out.println("面积:"+c.graphicA());
System.out.println("体积:"+c.graphicV());

Rectangle  r=new Rectangle(3,5);
r.print();
System.out.println("表面积:"+r.graphicA());
System.out.println("周长:"+r.graphicL());

Triangle  t=new Triangle(3,4,5);
t.print();
System.out.println("表面积:"+t.graphicA());
System.out.println("周长:"+t.graphicL());

Circle  circle=new Circle(3);
circle.print();
System.out.println("表面积:"+circle.graphicA());
System.out.println("周长:"+circle.graphicL());

}
}
abstract class GeometricGraph {

   public abstract void print();
}
abstract class ThreeDimensionalGraphics extends GeometricGraph{

public abstract double graphicA();
public abstract double graphicV();
}
//球类
class Ball extends ThreeDimensionalGraphics{

private double side01;

public Ball(double side01) {
this.side01 = side01;
}
public void setSide01(double side01){
this.side01=side01;
}
public double getSide01(){
return this.side01;
}
public double graphicA(){
return 4*3.14*side01*side01;
}
public double graphicV(){
double v=3.14*3/4*side01*side01*side01;
return v;
}
public void print(){
System.out.println("这是一个球类计算方式:");
}
}
//这是一个圆柱体
class Cylinder extends ThreeDimensionalGraphics{
private double side01;
private double side02;

public Cylinder(double side01, double side02) {

this.side01 = side01;
this.side02 = side02;
}
public void setSide01(double side01){
this.side01=side01;
}
public void setSide02(double side02){
this.side02=side02;
}
public double getSide01(){
return this.side01;
}
public double getSide02(){
return this.side02;
}
public double graphicA(){
return 2*3.14*side01*side01+2*3.14*side01*side02;
}
public double graphicV(){
return 3.14*side01*side01*side02;
}

public void print() {
System.out.println("这是一个圆柱体计算方式:");

}
}
//圆锥类
class Cone extends ThreeDimensionalGraphics{
private double side01;
private double side02;

public Cone(double side01, double side02) {

this.side01 = side01;
this.side02 = side02;
}
public void setSide01(double side01){
this.side01=side01;
}
public void setSide02(double side02){
this.side02=side02;
}
public double getSide01(){
return this.side01;
}
public double getSide02(){
return this.side02;
}
public double graphicA(){
return 3.14*side01*side01+3.14*side01*java.lang.Math.sqrt(side02*side02+side01*side01);
}
public double graphicV(){
return 3.14/3*side01*side01*side02;
}
@Override
public void print() {

System.out.println("这是一个圆锥体计算方式:");
}
}

abstract class PlantGraph extends GeometricGraph{

public abstract double graphicA();
public abstract double graphicL();
}
//矩形类
class Rectangle extends PlantGraph{
private double side01;
private double side02;

public Rectangle(double side01, double side02) {

this.side01 = side01;
this.side02 = side02;
}
public void setSide01(double side01){
this.side01=side01;
}
public void setSide02(double side02){
this.side02=side02;
}
public double getSide01(){
return this.side01;
}
public double getSide02(){
return this.side02;
}
public double graphicA(){
return side01*side02;
}
public double graphicL(){
return 2*(side01+side02);
}

public void print() {
System.out.println("这是一个矩形类计算方式:");

}

}
//三角形
class Triangle extends PlantGraph{
private double side01;
private double side02;
private double side03;

public Triangle(double side01, double side02, double side03) {

this.side01 = side01;
this.side02 = side02;
this.side03 = side03;
}
public void setSide01(double side01){
this.side01=side01;
}
public void setSide02(double side02){
this.side02=side02;
}
public void setSide03(double side03){
this.side03=side03;
}
public double getSide01(){
return this.side01;
}
public double getSide02(){
return this.side02;
}
public double getSide03(){
return this.side03;
}
public double graphicA(){
return side01*(java.lang.Math.sqrt(java.lang.Math.abs(side03*side03-side01*side01))/2);
}
public double graphicL(){
return side01+side02+side03;
}
@Override
public void print() {
System.out.println("这是一个三角形计算方式:");

}

}
//圆形类
class Circle extends PlantGraph{
private double side01;

public Circle(double side01) {

this.side01 = side01;
}
public void setSide01(double side01){
this.side01=side01;
}
public double getSide01(){
return this.side01;
}
public double graphicA(){
return 3.14*side01*side01;
}
public double graphicL(){
return 2*3.14*side01;
}
@Override
public void print() {
System.out.println("这是一个圆形类计算方式:");

}
}

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