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Bài 4 - TH Java Sun Nov 04, 2012 3:58 pm
Admin
Admin
Bài 4: Xây dựng lớp hình tròn
(Write by MRKHOA92)
- Code:
import java.awt.Color;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Panel;
public class HinhTron extends HinhHoc {
double radius;
public HinhTron() {
radius = 1.0;
setLayout(new GridLayout());
setSize(300,300);
setLocation(300,400);
}
public HinhTron(double rad) {
radius = rad;
}
public HinhTron(double rad,String colors,boolean fill) {
radius = rad;
color = colors;
filled = fill;
}
public double getRadius() {
return radius;
}
public void setRadius(double rad) {
radius = rad;
}
public double getDiameter() {
return radius * 2.0;
}
public double getArea() {
return Math.PI * radius * radius ;
}
public double getPerimeter() {
return 2.0 * Math.PI * radius;
}
public void printCircle() {
System.out.println("Duong Tron Da Duoc Ve");
}
public static void main( String args[] ) {
HinhTron object2 = new HinhTron();
object2.printCircle();
}
}
(Write by MRKHOA92)
