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package tank;

import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;

 class T extends JFrame {

    small mp = null;
//    GuanQia gqmb  =null;
    public static void main(String[] args) {
        T t = new T();
    }

    public T() {
       mp = new small();

   //     gqmb = new GuanQia();
        
   //     this.add(gqmb);
       this.add(mp);

        this.setSize(600,500);
        this.setLocation(300, 280);
        this.setDefaultCloseOperation(3);
        this.setVisible(true);
    }
}





public class small extends JPanel {
    public small(){
        
    }
    
     public void paint(Graphics g) {
         super.paint(g);
          g.fillRect(0, 0, 500, 400);
          
          this.drawTank(0, 0, g);
     } 
     public void drawTank(int x, int y,Graphics g){
         
         g.setColor(Color.red);
            g.fill3DRect(x, y, 5, 30, false);
                g.fill3DRect(x + 15, y, 5, 30, false);
                g.fill3DRect(x + 5, y + 5, 10, 20, false);
                g.fillOval(x + 5, y + 10, 10, 10);
                g.drawLine(x + 10, y + 15, x + 10, y - 5);
     }
     
}