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 Brensam  #include<graphics.h>  #include<stdio.h>  void main()  {  int x,y,x1,y1,x2,y2,dx,dy,p;  int i,gd=DETECT,gm;  initgraph(&gd,&gm,"C:\\TURBOC3\\BGI");  prinƞ("\n\nEnter co-ordinates of first point:");  scanf("%d%d",&x1,&y1);  prinƞ("\n\nEnter co-ordinates of second point:");  scanf("%d%d",&x2,&y2);  dx=(x2-x1);  dy=(y2-y1);  p=2*(dy)-(dx);  x=x1;  y=y1;  putpixel(x,y,WHITE);  while(x<=x2)  {  if(p<0)  { x=x+1;  y=y;  p=p+2*(dy); }  else  {  x=x+1;  y=y+1;  p=p+2*(dy-dx);  }  putpixel(x,y,WHITE);  }  getch();  closegraph();  } Basic shapes in center #include<stdio.h> void main() { int gd=DETECT,gm,x,y; initgraph(&gd,&gm,"C:\\TURBOC3\\BGI"); x=getmaxx(); y=getmaxy(); circle(x/2,y/2,15); rectangle(275,204,363,273); rectangle(x/2-20,y/2-20,x/2+20,y/...

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  Download 9th Code import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Random; public class ColorChanger extends JFrame { private JPanel panel; private JButton button; private Random random; public ColorChanger() { panel = new JPanel(); button = new JButton("Change Color"); random = new Random(); setTitle("Random Color Changer"); setSize(400, 400); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setLocationRelativeTo(null); // Add action listener to the button button.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { changeColor(); } }); panel.add(button); add(panel); setVisible(true); } private void changeColor() { // Generate random color ...