Memory blocks game code in java

import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class Megame extends JFrame  {
   
   
    class Outr implements ActionListener,Runnable{
   
   
    public void actionPerformed(ActionEvent e) {
            if(e.getSource()==b1)
            {
                Thread t1= new Thread(new Outr(),"t1");
              
            b1.setBackground(Color.red);
             t1.start();
            }
                  if(e.getSource()==b2)
            {
                Thread t2= new Thread(new Outr(),"t2");
              
            b2.setBackground(Color.green);
             t2.start();
            }
                        if(e.getSource()==b3)
            {
                Thread t3= new Thread(new Outr(),"t3");
              
            b3.setBackground(Color.blue);
             t3.start();
            }
                              if(e.getSource()==b4)
            {
                Thread t4= new Thread(new Outr(),"t4");
              
            b4.setBackground(Color.PINK);
             t4.start();
            }
                                    if(e.getSource()==b5)
            {
                Thread t5= new Thread(new Outr(),"t5");
              
            b5.setBackground(Color.PINK);
             t5.start();
            }
                                          if(e.getSource()==b6)
            {
                Thread t6= new Thread(new Outr(),"t6");
              
            b6.setBackground(Color.blue);
             t6.start();
            }
                                                if(e.getSource()==b7)
            {
                Thread t7= new Thread(new Outr(),"t7");
              
            b7.setBackground(Color.green);
             t7.start();
            }
                                                    
          if(e.getSource()==b8)
                                                   
            {
                Thread t8= new Thread(new Outr(),"t8");
              
            b8.setBackground(Color.red);
             t8.start();
            }
                                                     
          if(e.getSource()==b9)
                                                   
            {
                Thread t9= new Thread(new Outr(),"t9");
              
            b9.setBackground(Color.cyan);
             t9.start();
            }
                 
                                                      
          if(e.getSource()==b10)
                                                   
            {
                Thread t10= new Thread(new Outr(),"t10");
              
            b10.setBackground(Color.MAGENTA);
             t10.start();
            }
         
                                                     
          if(e.getSource()==b11)
                                                   
            {
                Thread t11= new Thread(new Outr(),"t11");
              
            b11.setBackground(Color.cyan);
             t11.start();
            }
                                                     
          if(e.getSource()==b12)
                                                   
            {
                Thread t12= new Thread(new Outr(),"t12");
              
            b12.setBackground(Color.MAGENTA);
             t12.start();
            }
                                                     
          if(e.getSource()==b13)
                                                   
            {
                Thread t13= new Thread(new Outr(),"t13");
              
            b13.setBackground(Color.YELLOW);
             t13.start();
            }
                                                     
          if(e.getSource()==b14)
                                                   
            {
                Thread t14= new Thread(new Outr(),"t14");
              
            b14.setBackground(Color.BLACK);
             t14.start();
            }
                                                     
          if(e.getSource()==b15)
                                                   
            {
                Thread t15= new Thread(new Outr(),"t15");
              
            b15.setBackground(Color.YELLOW);
             t15.start();
            }
                                                     
          if(e.getSource()==b16)
                                                   
            {
                Thread t16= new Thread(new Outr(),"t16");
              
            b16.setBackground(Color.BLACK);
             t16.start();
            }
         

   
        }
   
   
    
         public void run() {
             count++;
          try{
          
             if((Thread.currentThread().getName()).equals("t1"))
                
             {
                
                 if(count%2==0) 
                 { Thread.sleep(200);
                     if(A2==1)
                            {
                            b1.setBackground(Color.red);
                          
                            b8.setBackground(Color.red);
                            }
             
                     else
                            {b1.setBackground(Color.white);
  A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                            b8.setBackground(Color.white);
              }
             
              }
              else{
                     Thread.sleep(200);
                     b1.setBackground(Color.white);
            
              A1=1;
              }
             
             
                
               
       }
            
            if((Thread.currentThread().getName()).equals("t2"))
             {if(count%2==0) 
              {Thread.sleep(200);
              if(C2==1)
              {b2.setBackground(Color.green);
                   b7.setBackground(Color.green);
              }
             
              else{b2.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b7.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b2.setBackground(Color.white);
              C1=1;
              }
          
       } 
               if((Thread.currentThread().getName()).equals("t3"))
             {if(count%2==0) 
              { Thread.sleep(200);
              if(D2==1)
              {
                
                  b3.setBackground(Color.BLUE);
                   b6.setBackground(Color.BLUE);
              }
             
              else{b3.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b6.setBackground(Color.white);
              }
             
              }
              else{
                     Thread.sleep(200);
                     b3.setBackground(Color.white);
             
              D1=1;
              }
              }
            
            if((Thread.currentThread().getName()).equals("t4"))
             { if(count%2==0) 
                 { Thread.sleep(200);
                     if(E2==1)
                            {
                            b4.setBackground(Color.pink);
                            b5.setBackground(Color.pink);
                            }
             
                     else
                            {b4.setBackground(Color.white);
                            A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                            b5.setBackground(Color.white);
              }
             
              }
              else{
                     Thread.sleep(200);
                     b4.setBackground(Color.white);
            
              E1=1;
              }
              }
           
              if((Thread.currentThread().getName()).equals("t5"))
             {if(count%2==0) 
              {Thread.sleep(200);
              if(E1==1)
              {b4.setBackground(Color.pink);
                   b5.setBackground(Color.pink);
              }
             
              else{b4.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b5.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b5.setBackground(Color.white);
              E2=1;
              }}
                if((Thread.currentThread().getName()).equals("t6"))
             {if(count%2==0) 
              {Thread.sleep(200);
              if(D1==1)
              {b3.setBackground(Color.BLUE);
                   b6.setBackground(Color.BLUE);
              }
             
              else{b3.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b6.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b6.setBackground(Color.white);
              D2=1;}
             }
               if((Thread.currentThread().getName()).equals("t7"))
             {if(count%2==0) 
              {Thread.sleep(200);
              if(C1==1)
              {b2.setBackground(Color.green);
                   b7.setBackground(Color.green);
              }
             
              else{b2.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
             
                   b7.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b7.setBackground(Color.white);
              C2=1;
              }
          
       }
             if((Thread.currentThread().getName()).equals("t8"))
             { if(count%2==0) 
              {Thread.sleep(200);
              if(A1==1)
              {b1.setBackground(Color.red);
                   b8.setBackground(Color.red);
              }
             
              else{b1.setBackground(Color.white);
             A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b8.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b8.setBackground(Color.white);
              A2=1;
              }
          
       }
            
               if((Thread.currentThread().getName()).equals("t10"))
                
             {
                
                 if(count%2==0) 
                 { Thread.sleep(200);
                     if(F2==1)
                            {
                            b10.setBackground(Color.MAGENTA);
                            b12.setBackground(Color.MAGENTA);
                            }
             
                     else
                            {b10.setBackground(Color.white);
                            A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                            b12.setBackground(Color.white);
              }
             
              }
              else{
                     Thread.sleep(200);
                     b10.setBackground(Color.white);
            
              F1=1;
              }
                            
       }
          if((Thread.currentThread().getName()).equals("t12"))
             { if(count%2==0) 
              {Thread.sleep(200);
              if(F1==1)
              {b10.setBackground(Color.MAGENTA);
                   b12.setBackground(Color.MAGENTA);
              }
             
              else{b10.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b12.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b12.setBackground(Color.white);
              F2=1;
              }
          
       }
           if((Thread.currentThread().getName()).equals("t9"))
                
             {
                
                 if(count%2==0) 
                 { Thread.sleep(200);
                     if(G2==1)
                            {
                            b9.setBackground(Color.CYAN);
                            b11.setBackground(Color.CYAN);
                            }
             
                     else
                            {b9.setBackground(Color.white);
                            A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                            b11.setBackground(Color.white);
              }
             
              }
              else{
                     Thread.sleep(200);
                     b9.setBackground(Color.white);
            
              G1=1;
              }
                            
       }
       
        if((Thread.currentThread().getName()).equals("t11"))
             { if(count%2==0) 
              {Thread.sleep(200);
              if(G1==1)
              {b9.setBackground(Color.CYAN);
                   b11.setBackground(Color.CYAN);
              }
             
              else{b9.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b11.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b11.setBackground(Color.white);
              G2=1;
              }
          
       }
        if((Thread.currentThread().getName()).equals("t13"))
                
             {Thread.sleep(200);
                
                 if(count%2==0) 
                 {
                     if(H2==1)
                            {
                            b13.setBackground(Color.YELLOW);
                            b15.setBackground(Color.YELLOW);
                            }
             
                     else
                            {b13.setBackground(Color.white);
                            A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                            b15.setBackground(Color.white);
              }
             
              }
              else{
                     Thread.sleep(200);
                     b13.setBackground(Color.white);
            
              H1=1;
              }
                            
       }
        if((Thread.currentThread().getName()).equals("t15"))
             { if(count%2==0) 
              {Thread.sleep(200);
              if(H1==1)
              {b13.setBackground(Color.YELLOW);
                   b15.setBackground(Color.YELLOW);
              }
             
              else{b13.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b15.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b15.setBackground(Color.white);
              H2=1;
              }
          
       }
       
       
        if((Thread.currentThread().getName()).equals("t14"))
                
             {
                
                 if(count%2==0) 
                 { Thread.sleep(200);
                     if(I2==1)
                            {
                            b14.setBackground(Color.BLACK);
                            b16.setBackground(Color.BLACK);
                            }
             
                     else
                            {b14.setBackground(Color.white);
                            A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                            b16.setBackground(Color.white);
              }
             
              }
              else{
                     Thread.sleep(200);
                     b14.setBackground(Color.white);
            
              I1=1;
              }
                            
       }
       
       
        if((Thread.currentThread().getName()).equals("t16"))
             { if(count%2==0) 
              {Thread.sleep(200);
              if(I1==1)
              {b14.setBackground(Color.BLACK);
                   b16.setBackground(Color.BLACK);
              }
             
              else{b14.setBackground(Color.white);
              A1=0;A2=0;C1=0;C2=0;D1=0;D2=0;E1=0;E2=0;F1=0;F2=0;G1=0;G2=0;H1=0;H2=0;I1=0;
    I2=0;
                   b16.setBackground(Color.white);
              }
             
              }
              else{
                 Thread.sleep(200);
              b16.setBackground(Color.white);
              I2=1;
              }
          
       }
       
          }   
        catch(Exception e)
        {}
   

if( (b1.getBackground()==Color.red)&&(b8.getBackground()==Color.red)&&(b2.getBackground()==Color.green)
        &&(b7.getBackground()==Color.green)&&(b3.getBackground()==Color.blue)&&(b6.getBackground()==Color.blue  )
        &&(b4.getBackground()==Color.pink)&&(b5.getBackground()==Color.pink)&&(b9.getBackground()==Color.cyan)&&(b11.getBackground()==Color.cyan)
        &&(b10.getBackground()==Color.MAGENTA)&&(b12.getBackground()==Color.MAGENTA)&&(b13.getBackground()==Color.yellow)&&(b15.getBackground()==Color.yellow)
        &&(b14.getBackground()==Color.black)&&(b16.getBackground()==Color.black))
  {
     JOptionPane j= new JOptionPane();
     j.showMessageDialog(rootPane, "YOU WON");
 
  }  
       
   
}
   
   
}
    Megame()
    { b1= new JButton();
    b1.setBackground(Color.white);
       b1.setBounds(50, 50, 50, 50);
    add(b1);
    Outr tim = new Outr();
    b1.addActionListener(tim);
    b2= new JButton();
    b2.setBackground(Color.white);
       b2.setBounds(100, 50, 50, 50);
    add(b2);
      b2.addActionListener(tim);
    b3= new JButton();
    b3.setBackground(Color.white);
       b3.setBounds(150, 50, 50, 50);
    add(b3);
      b3.addActionListener(tim);
     b4= new JButton();
b4.setBackground(Color.white);
    
     b4.setBounds(50, 100, 50, 50);
    add(b4);
      b4.addActionListener(tim);
     b5= new JButton();
     b5.setBackground(Color.white);
       b5.setBounds(100, 100, 50, 50);
    add(b5);
     b5.addActionListener(tim);
    b6= new JButton();
    b6.setBackground(Color.white);
       b6.setBounds(150, 100, 50, 50);
    add(b6);
      b6.addActionListener(tim);
    b7= new JButton();
    b7.setBackground(Color.white);
       b7.setBounds(50, 150, 50, 50);
    add(b7);
      b7.addActionListener(tim);
     b8= new JButton();
     b8.setBackground(Color.white);
       b8.setBounds(100, 150, 50, 50);
    add(b8);
      b8.addActionListener(tim);
     b9= new JButton();
       b9.setBounds(150, 150, 50, 50);
    add(b9);
     b9.setBackground(Color.white);
     b9.addActionListener(tim);
      b10= new JButton();
       b10.setBounds(200, 50, 50, 50);
    add(b10);
     b10.setBackground(Color.white);
     b10.addActionListener(tim);
      b11= new JButton();
       b11.setBounds(200, 100, 50, 50);
    add(b11);
     b11.setBackground(Color.white);
     b11.addActionListener(tim);
      b12= new JButton();
       b12.setBounds(200, 150, 50, 50);
    add(b12);
     b12.setBackground(Color.white);
     b12.addActionListener(tim);
      b13= new JButton();
       b13.setBounds(50, 200, 50, 50);
    add(b13);
     b13.setBackground(Color.white);
     b13.addActionListener(tim);
      b14= new JButton();
       b14.setBounds(100, 200, 50, 50);
    add(b14);
     b14.setBackground(Color.white);
     b14.addActionListener(tim);
      b15= new JButton();
       b15.setBounds(150, 200, 50, 50);
    add(b15);
     b15.setBackground(Color.white);
     b15.addActionListener(tim);
     b16= new JButton();
       b16.setBounds(200, 200, 50, 50);
    add(b16);
     b16.setBackground(Color.white);
     b16.addActionListener(tim);
      setSize(400, 400);
   setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setLayout(null);
    setVisible(true);
   }
   
   JButton b1;
   JButton b2;
   JButton b3;
   JButton b4;
   JButton b5;
   JButton b6;
   JButton b7;
   JButton b8;
   JButton b9;
   JButton b10;
   JButton b11;
   JButton b12;
   JButton b13;
   JButton b14;
   JButton b15;
   JButton b16;
   int A1=0,A2=0,C1=0,C2=0,D1=0,D2=0,E1=0,E2=0,F1=0,F2=0,G1=0,G2=0,H1=0,H2=0;
   int I1=0,I2=0;

  int count=0;
   

   
    public static void main(String args[])
           
    {
    Megame m1=new Megame();

   
   
    }
   
}

Difference between RAM and ROM

Difference between system software and application software

Difference between abstract class and interface.

Difference between method overloading and overriding.

   

Implementation of Flood fill algorithm

Q) Implementation of Flood Fill Algorithm.
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
void floodfill(int x,int y)
    { 
int a =getpixel(x,y);
    setcolor(3);
    if(a==0)
{
    putpixel(x,y,3);
     floodill(x+1,y);
     floodfill(x-1,y);
    floodfill(x,y+1);
     floodfill(x,y-1);
    }
    }

int main()
{

   int gdriver = DETECT, gmode;
   initgraph(&gdriver, &gmode, "C:\\TC\\bgi");
   setcolor(2);
   circle(250, 250, 50);
   bounfill(250,250);
   getch();
   closegraph();
   return 0;
}

Bresenham's circle drawing

Q)Circle generation using bresenham’s circle drawing algorithm.
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#include <math.h>
#include<iostream.h>
void drawcir(float x,float y,float p,float q){
putpixel(x+p,y+q,3);
putpixel(x-p,y+q,3);
putpixel(x+p,y-q,3);
putpixel(x-p,y-q,3);
putpixel(x+q,y+p,3);
putpixel(x-q,y+p,3);
putpixel(x+q,y-p,3);
putpixel(x-q,y-p,3);
    }
int main()
{
   int gdriver = DETECT, gmode;
   initgraph(&gdriver, &gmode, "C:\\TC\\bgi");
   float gx,gy,grad;
   cout<<"enter the x coordinateof the centre";
   cin>>gx;
   cout<<"enter the y coor of the centre";
   cin>>gy;
  cout<<"enter the radious of the circle";
  cin>>grad;
  float p=0;
  float q=grad;
  float d=3-2*grad;
  while(p<q){
  drawcir(gx,gy,p,q);
p++;
if(d<0)
{d=d+4*p+6;
}
  else{
q--;
  d=d+4*(p-q)+10;
  }
drawcir(gx,gy,p,q);
  }
   getch();
   closegraph();
   return 0;
}