Script lingkaran & segi empat menggunakan Eclipse

Kode program:


1. FrameUtama
package skill;

import java.awt.*;

public class FrameUtama extends Frame{

public FrameUtama(){
add(new Menggambar());
setSize(600,600);
setBackground(Color.yellow);
setVisible(true);
}
public static void main(String[] args) {
new FrameUtama();
}

}


2. Menggambar
package skill;

import java.awt.*;

public class Menggambar extends Canvas{
LingkaranDrawable id= new LingkaranDrawable(600);
SegiEmpatDrawable sed= new SegiEmpatDrawable(50,200);
public void paint(Graphics g){
id.setColor(Color.black);
id.setPosition(100,357);
id.draw(g);
id.setColor(Color.red);
id.setPosition(100,100);
id.draw(g);
sed.setColor(Color.blue);
sed.setPosition(300, 150);
sed.draw(g);
}
}

3. Drawable
package skill;
import java.awt.Color;
import java.awt.Graphics;

public interface Drawable {
public void draw(Graphics g);
public void setColor(Color c);
public void setPosition(int x,int y);
}



4. SegiEmpatDrawable
package skill;

import java.awt.Color;
import java.awt.Graphics;

public class SegiEmpatDrawable extends SegiEmpat implements Drawable {
public Color c;
public int x,y;

public SegiEmpatDrawable(double sisiDatar, double sisiTegak) {
super(sisiDatar, sisiTegak);
c=Color.BLUE;
}
public void draw(Graphics g) {
g.setColor(c);
g.drawRect(x, y, (int)getSisiDatar(), (int)getSisiTegak());
g.drawString("Luas = "+(int)luas(), x+(int)sisiDatar+10, y+20);
g.drawString("Keliling = "+(int)keliling(), x+(int)sisiDatar+10, y);
}
public void setColor(Color c) {
this.c=c;
}
public void setPosition(int x, int y) {
this.x=x;
this.y=y;
}
}




5. SegiEmpat
package skill;

public class SegiEmpat {
public double sisiDatar,sisiTegak;

public SegiEmpat(double sisiDatar,double sisiTegak){
this.sisiDatar=20;
this.sisiTegak=80;
}
public double getSisiDatar() {
return this.sisiDatar;
}

public double getSisiTegak() {
return this.sisiTegak;
}

public double keliling(){
return (2 * this.sisiDatar) + (2 * this.sisiTegak);
}

public double luas(){
return this.sisiDatar * this.sisiTegak;
}
}



6. LingkaranDrawable
package skill;

import java.awt.Color;
import java.awt.Graphics;

public class LingkaranDrawable extends Lingkaran implements Drawable {
public Color c;
public int x,y;
public LingkaranDrawable(double radius){
super(radius,radius);
c=Color.red;}
public void draw(Graphics g){
g.drawRoundRect(y, y, (int)getRadius(), x, x, x );
g.drawRoundRect(x, x, (int)getRadius(), x, x, x );
g.drawString(" Keliling ="+(int)Keliling(), y+10, y+70);
g.drawString(" Luas ="+(int)Luas(), y+10, y+50);
}
public void setColor(Color c){
this.c=c;
}
public void setPosition(int x,int y){
this.x=x;
this.y=y;
}

}




7. Lingkaran
package skill;

public class Lingkaran {
public double Pi,radius;
public Lingkaran(double Pi,double radius){
this.Pi=3.14;
this.radius=100;
}
public double getRadius() {
return this.radius;
}
public double Keliling() {
return 2*this.radius*this.Pi;
}

public double Luas() {
return this.radius*this.radius*this.Pi;
}
}


8. BangunGeometri2D
package skill;

public abstract class BangunGeometri2D {
public double keliling;
public double luas;
}