Kill the code: March 2012

Monday 26 March 2012

Decimal to Hexadecimal convertor (10to16 convertor)using JAVA

 
class extra
{
 public static void main(String args[])
 {
  hexadecimal h=new hexadecimal();
  int a1,a2=0;
  char c;
  a1=Integer.parseInt(args[0]);
  //System.out.println(h.hax(a1,a2));
  h.hax(a1);
 }
}


class hexadecimal
{
 void hax(int a1)
 {
  int b;
  char c;
  b=a1%16;
  a1=a1/16;
  if(a1>16)
  {
   hax(a1); 
  }
  System.out.print(a1);
  if(b==0 && a1<16)
  {
   System.out.print(0);
  }
  if(b>9)
  {
   c=(char)(b+55);
   System.out.print(c);
  }
  else
  {
   System.out.print(b);
  }
  return;
 }
}

Thursday 22 March 2012

Sticky Oval in JAVA

import java.awt.*;
import java.awt.event.*;
import java.applet.*;

public class sticky_oval extends Applet implements MouseMotionListener {
 int x,y;
 public void init() {
  addMouseMotionListener(this);
 }
 public void mouseMoved(MouseEvent me) {
  x=me.getX();
  y=me.getY();
  repaint();
 }
 public void mouseDragged(MouseEvent me) {
 
 }
 public void paint(Graphics g) {
  try {
   g.drawOval(x,y,x,y);
   if(x==y) {
    g.setColor(Color.blue);
    g.fillOval(x,y,x,y);
    showStatus("THIS IS PERFECT CIRCLE.");
    Thread.sleep(4000);
   } else showStatus("");
  } catch(InterruptedException e) {
  
  }
 }
}

Saturday 17 March 2012

Calculator using Buttons in JavaScript

Untitled Document

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
<style type="text/css">
.box {
 width:15px;
 height:15px;
}
</style>
</head>

<body>
<script type="text/javascript">
 var no1="",no2="";
 var flag=0;
 var flag2=0;
 var already=0;
 function calc(id,txt)
 {
  
  if(flag==0)
  {
   no1=no1+document.getElementById(id).value;
   document.getElementById(txt).value=no1;
  }
  else if(flag==1)
  {
   no2=no2+document.getElementById(id).value;
   document.getElementById(txt).value=no2;
  }
 }
 function change(id)
 {
  if(already==0)
  {
  flag=1;
  already=1;
  var sign=document.getElementById(id).value;
  
  if(sign=='+')
  {
   if(flag2==0) document.getElementById('one').value=document.getElementById('two').value;
   document.getElementById('one').value=document.getElementById('one').value+"+";
   flag2=1;
  }
  if(sign=='-')
  {
   if(flag2==0) document.getElementById('one').value=document.getElementById('two').value;
   document.getElementById('one').value=document.getElementById('one').value+"-";
   flag2=1;
  }
  if(sign=='*')
  {
   if(flag2==0) document.getElementById('one').value=document.getElementById('two').value;
   document.getElementById('one').value=document.getElementById('one').value+"*";
   flag2=1;
  }
  if(sign=='/')
  {
   if(flag2==0) document.getElementById('one').value=document.getElementById('two').value;
   document.getElementById('one').value=document.getElementById('one').value+"/";
   flag2=1;
  }
  document.getElementById('two').value="";
  }
  
  
 }
 function ans(id)
 {
  var txt1=document.getElementById('one').value;
  var no1=txt1.substr(0,txt1.length-1);
  var no2= document.getElementById('two').value;
  flag=3;
  
  <!--var no2=document.getElementById('two').value;-->
  
  <!--var txt1=document.getElementById('one').value;-->
  <!--var no2=no1.substr(0,txt1.length-2);-->
  no1=parseInt(no1);
  no2=parseInt(no2);
  
  if(txt1.charAt(txt1.length-1)=='+') document.getElementById('ans').value=(no1+no2);
  if(txt1.charAt(txt1.length-1)=="-") document.getElementById('ans').value=(no1-no2);
  if(txt1.charAt(txt1.length-1)=="*") document.getElementById('ans').value=(no1*no2);
  if(txt1.charAt(txt1.length-1)=="/") 
  {
   try 
   {
    if(no2!=0) document.getElementById('ans').value=(no1/no2);
    else  document.getElementById('ans').value="Error while dividing";
   }
   catch(err)
   {
    document.getElementById('ans').value="by Zero is not possible";
   }
  }
  
 }
 function clear1()
 {
  document.getElementById('one').value="no1";
  document.getElementById('two').value="no2"
  document.getElementById('ans').value="answer";
  no1="";
  no2="";
  flag=0;
  flag2=0;
  already=0;
 }
 
</script>

<input type="text" id="one" readonly="readonly" value="no1"/><br />
<input type="text" id="two" readonly="readonly" value="no2"/><br />
<input type="text" id="ans" value="answer" readonly="readonly" />

<table width="30%" cellpadding="0" cellpadding="0">
<tr>
  <td><input type="button" id="01" value="1" onclick="return calc(this.id,'two')"/>
  <input type="button" id="2" value="2" onclick="return calc(this.id,'two')"/>
  <input type="button" id="3" value="3" onclick="return calc(this.id,'two')"/>
  <input type="button" id="add" value="+" onclick="return change(this.id)" />
 </td>
</tr>
<tr>
<td>
  <input type="button" id="4" value="4" onclick="return calc(this.id,'two')"/>
  <input type="button" id="5" value="5" onclick="return calc(this.id,'two')"/>
  <input type="button" id="6" value="6" onclick="return calc(this.id,'two')"/>
  <input type="button" id="sub" value="-" onclick="return change(this.id)" />
</td>
</tr>
<tr>
<td>
  <input type="button" id="7" value="7" onclick="return calc(this.id,'two')"/>
  <input type="button" id="8" value="8" onclick="return calc(this.id,'two')"/>
  <input type="button" id="9" value="9" onclick="return calc(this.id,'two')"/>
  <input type="button" id="mul" value="*" onclick="return change(this.id)" />
</td>
</tr>
<tr>
<td>
 <input type="button" id="c" value="C" onclick="return clear1()"/>
 <input type="button" id="0" value="0" onclick="return calc(this.id,'two')"/>
 <input type="button" id="equal" value="=" onclick="return ans(this.id)"/>
 <input type="button" id="div" value="/" onclick="return change(this.id)" />
</td>
</tr>
</table>


</body>
</html>

Tuesday 13 March 2012

Dynamic Finite Automata for String Validation in C

#include<conio.h>

#include<stdio.h>

void main()

{

 int tab[10][10], i, j, k, t=65, b, r, c, l=0;

 char s[20], t1[50];

 clrscr();

 printf("enter rows and cols : ");

 scanf("%d",&r);

 scanf("%d",&c);

 printf("enter your state transition table : ");

 scanf("%s",t1);

 for(i=0; i<r; i++)

 {

  for(j=0; j<c; j++)

  {

   tab[i][j]=t1[l];

   l++;

  }

 }

 for(i=0; i<r; i++)

 {

  for(j=0; j<c; j++)

  {

   printf("%c", tab[i][j]);

  }

  printf("\n");

 }

 printf("enter a string : ");

 scanf("%s",s);

 for(i=0; i<strlen(s); i++)

 {

  for(k=0; k<r; k++)

  {

   if(t==tab[k][0]) b=k;



  }

  if(s[i]=='0')

  {

   t=tab[b][1];

  }

  if(s[i]=='1')

  {

   t=tab[b][2];

  }

 }

 if(t==tab[r-1][0]) printf("valid");

 else printf("invalid");

 getch();

}

Monday 12 March 2012

Count the number of Checkboxes selected

Untitled Document

Subject

one two three four five

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>Untitled Document</title>

</head>

<body>

var i=0;

function isset(id) {

var n=document.getElementById(id);

if(n.checked==true) {

i++;

}

else {

i--;

}

function validate() {

document.getElementById('lbl').innerHTML=i+" Checkbox Selected";

}

</script>

<tr>

<td width="20%">Subject </td>

<td> <input type="checkbox" id="1" onclick="return isset(this.id)" />one

<input type="checkbox" id="2" onclick="return isset(this.id)" />two

<input type="checkbox" id="3" onclick="return isset(this.id)" />three

<input type="checkbox" id="4" onclick="return isset(this.id)" />four

<input type="checkbox" id="5" onclick="return isset(this.id)" />five

</td>

</tr>

</table>

</body>

</html>

Sunday 11 March 2012

Palindrome validation in Javascript

Preview :

New Web Project Enter a string :

Code :

<html>

    <head>

        <title>New Web Project</title>

    </head>

    <body>

     

     <script type="text/javascript">

      function pal() {

       var b;

       var a = document.getElementById('str');

       var c1 = a.value.length;

       var flag=0;

       for(b=0; b<c1/2;b++) {

        if(a.value.charAt(b)==a.value.charAt(--c1)) {

         flag=0;

        }

        else {

          flag=1;

          break;

        }

       }

       if(flag!=1) {

        document.getElementById("lbl").innerHTML = "The string is Palindrome";

        document.getElementById("fnt").style.color = "green";

       }

       else {

        document.getElementById("lbl").innerHTML = "The string is not Palindrome";

        document.getElementById("fnt").style.color = "red";

       }

       return;

      }

      

      function foc() {

       var a = document.getElementById("str");

       if(a.value == "enter string...") a.value = "";

       return;

      }

      function foc_lost() {

       var b = document.getElementById("str");

       if(b.value == "") b.value = "enter string...";

       return;

      }

     </script>

     

     

     

     

        Enter a string : <input type="text" name="string" id="str" value="enter string..." onfocus="return foc()" onblur="return foc_lost()"/>

        <input type="button" onclick="return pal()" value="Check"/><br />

        <font id="fnt"><label id="lbl"></label></font>

    </body>

</html>

Thursday 8 March 2012

Draw Table with required rows and cols in JAVA

import java.awt.*;
import java.applet.*;
import java.awt.event.*;

/*
<applet code="mousemotion" width=400 height=400>
</applet>
*/

public class mousemotion extends Applet implements MouseMotionListener,MouseListener {
String name="NISARG";
//String dim=" ";
int mx,my,mx2,my2,mx1,my1,mx3,my3;
int reles=0,dragged=0,drg_reles=0,rls_aftr_drg=0,clr_screen=0;
int ROW=12;
int COLOUM=12;

public void init() {
addMouseMotionListener(this);
addMouseListener(this);
}
public void mouseClicked(MouseEvent me) {
showStatus("MOUSE CLICKED.");
clr_screen=1;
repaint();
}
public void mousePressed(MouseEvent me) {
mx1=me.getX();
my1=me.getY();
}
public void mouseEntered(MouseEvent me) {
showStatus("SHOW STATUS.");
}
public void mouseReleased(MouseEvent me) {
if(dragged==1) {
drg_reles=1;
}
mx2=me.getX();
my2=me.getY();
dragged=0;
reles=1;
repaint();
}
public void mouseExited(MouseEvent me) {
showStatus("MOUSE EXITED.");
}
public void mouseDragged(MouseEvent me) {
showStatus("Mouse is at "+me.getX()+" "+me.getY());
mx3=me.getX();
my3=me.getY();
rls_aftr_drg=1;
//drg_reles=1;
dragged=1;
repaint();
}
public void mouseMoved(MouseEvent me) {
showStatus("Mouse is at "+me.getX()+" "+me.getY());
}
public void paint(Graphics g) {
if(clr_screen==1) {
clr_screen=0;
}
else if(reles==1 && dragged==1) { //MOUSE RELEASED.
g.drawLine(mx1,my1,mx2,my1);
g.drawLine(mx1,my1,mx1,my2);
g.drawLine(mx1,my2,mx2,my2);
g.drawLine(mx2,my1,mx2,my2);
int ROW11=(my3-my1)/ROW;
int ROW111=ROW11;
ROW11+=my1;
int COLOUM11=(mx3-mx1)/COLOUM;
int COLOUM111=COLOUM11;
COLOUM11+=mx1;
for(int i=0;i<ROW;i++) {
g.drawLine(mx1,ROW11,mx3,ROW11);
ROW11+=ROW111;

}
//g.drawLine(mx1,ROW11,mx3,ROW11);
for(int j=0;j<COLOUM;j++) {
g.drawLine(COLOUM11,my1,COLOUM11,my3);
COLOUM11+=COLOUM111;
}
reles=0;
}
else if(rls_aftr_drg==1) { //MOUSE DRAGGED.
g.drawLine(mx1,my1,mx3,my1);
g.drawLine(mx1,my1,mx1,my3);
g.drawLine(mx1,my3,mx3,my3);
g.drawLine(mx3,my1,mx3,my3);
int ROW11=(my3-my1)/ROW;
int ROW111=ROW11;
ROW11+=my1;
int COLOUM11=(mx3-mx1)/COLOUM;
int COLOUM111=COLOUM11;
COLOUM11+=mx1;
for(int i=0;i<ROW;i++) {
g.drawLine(mx1,ROW11,mx3,ROW11);
ROW11+=ROW111;

}
for(int j=0;j<COLOUM;j++) {
g.drawLine(COLOUM11,my1,COLOUM11,my3);
COLOUM11+=COLOUM111;
}
dragged=0;
//rls_aftr_drg=0;
}
if(drg_reles==1) { //MOUSE RELEASED.
g.drawLine(mx1,my1,mx2,my1);
g.drawLine(mx1,my1,mx1,my2);
g.drawLine(mx1,my2,mx2,my2);
g.drawLine(mx2,my1,mx2,my2);
int ROW11=(my3-my1)/ROW;
int ROW111=ROW11;
ROW11+=my1;
int COLOUM11=(mx3-mx1)/COLOUM;
int COLOUM111=COLOUM11;
COLOUM11+=mx1;
for(int i=0;i<ROW;i++) {
g.drawLine(mx1,ROW11,mx3,ROW11);
ROW11+=ROW111;

}
for(int j=0;j<COLOUM;j++) {
g.drawLine(COLOUM11,my1,COLOUM11,my3);
COLOUM11+=COLOUM111;
}
drg_reles=0;
}
}
}

Wednesday 7 March 2012

Ball rolling in the TUNNEL

/* Make the ball float in tunnel and apply password mechanism...*/

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
/*
<applet code="rolling_fun12" width=1000 height=300>
</applet>
*/

public class rolling_fun12 extends Applet implements Runnable,KeyListener {
String msg="";
String password="nisarg"; /*THIS IS YOUR PASSWORD STRING...*/
char c;
boolean correct=false;
int i=0;
int finish=0;
public void init() {
addKeyListener(this);
requestFocus();
t=new Thread(this);
}
public void keyPressed(KeyEvent ke) {
showStatus("key Pressed.");
/*c=ke.getKeyChar();
check=true;
if(c==password.charAt(i++)) {
msg=msg+c;
}
else {
msg="";
i=0;
}*/
//if(msg.equals(password)) showStatus("VALID PASSWORD.");
//showStatus("key Pressed.");
}
public void keyReleased(KeyEvent ke) {
if(finish==1) showStatus("THE OUTPUT IS ON THE SCREEN.");
else if(msg.equals(password)) {
showStatus("VALID PASSWORD.");
repaint();
}
}
public void keyTyped(KeyEvent ke) {
if(finish==1) showStatus("THE OUTPUT IS ON THE SCREEN.");
else {
showStatus("Key Typed.");
//showStatus("Key Typed.");
c=ke.getKeyChar();
if(c==password.charAt(i++)) {
msg=msg+c;
}
else {
msg="";
i=0;
}
if(msg.equals(password)) {
correct=true;
repaint();
showStatus("VALID PASSWORD.");
}
repaint();
}
}
Thread t;
int start=180;
int end=350;
int x=300;
int y=225;
int end1=0,end2=0,end3=0;
int flag=0,flag2=0;
int slide1=0,drop=0,slide2=0,remain=0,enter=0,once=0;
Color c1=new Color(255,0,255);
/*public void init() {
t=new Thread(this,"first");

}*/

public void start() {
t.start();
}

public void run() {
for(;;) {
if(end3<1460) {
slide2=1;
repaint();
}
else if(end2<1650) {
drop=1;
slide2=0;
repaint();
}
else if(end1<1350) {
drop=0;
slide1=1;
repaint();
}
else {
remain=1;
slide1=0;
slide2=0;
drop=0;
repaint();
}
}
}
public void paint(Graphics g) {
if(correct) {
g.drawLine(15,100,150,100);
g.drawLine(150,100,150,260);
g.drawLine(151,260,325,260);
g.drawLine(200,58,200,218);
g.drawLine(15,58,200,58);
g.drawLine(326,260,326,219);
g.drawLine(326,218,200,218);
if(slide1==1)
{
try {

start=start+15;
end=end+15;
//g.drawArc(x,59,40,40,start,360);
g.setColor(c1);
if(enter==0) {
g.fillArc(x,y,40,40,/*start*/0,360);
enter=1;
}
else {
g.fillArc(x,y,40,40,/*start*/start,353);
enter=0;
}
x=x-5;

if(start>350) {
start=0;
end=350;
}
//if(x>230) x=10;
//if(end1<1350)
//{
end1+=50;
Thread.sleep(60);
slide1=0;
repaint();
//showStatus("end = "+end);

//}
//flag2=1;
} catch(InterruptedException e) {
showStatus("ERROR");
}
}
if(drop==1) {
try {
start=start+15;
end=end+15;
//x=155;
//y=y+40;
//g.drawArc(x,y,40,40,start,360);
g.setColor(c1);
if(enter==0) {
g.fillArc(x+2,y,40,40,/*start*/0,360);
enter=1;
}
else {
g.fillArc(x+2,y,40,40,/*start*/start,353);
enter=0;
}
y=y-5;

if(start>350) {
start=0;
end=350;
}
//if(y>295) y=150;
//if(end2<700)
//{
end2+=50;
drop=0;
repaint();
//showStatus("end = "+end);
Thread.sleep(100);
//}
} catch(InterruptedException e) {
showStatus("ERROR");
}
}
if(slide2==1)
{
try {

start=start-15;
end=end+15;
//g.drawArc(x,y-5,40,40,start,360);
g.setColor(c1);
if(enter==1) {
g.fillArc(x,y-5,40,40,/*start*/0,360);
enter=0;
}
else {
g.fillArc(x,y-5,40,40,/*start*/start,353);
x=x-5;
}
if(start>350) {
start=0;
end=350;
}
//if(x>230) x=10;
//if(end1<1350)
//{
end3+=50;
Thread.sleep(60);
slide1=0;
slide2=0;
repaint();
//showStatus("end = "+end);

//}
//flag2=1;
} catch(InterruptedException e) {
showStatus("ERROR");
}
}
if(remain==1) {
//g.drawArc(x-5,y-5,40,40,0,360);
g.setColor(c1);
finish=1;
if(once==0) {
showStatus("PROGRAM ENDED.");
once=1;
}
g.fillArc(x+5,y,40,40,0,360);
try {
Thread.sleep(500);
} catch(InterruptedException e) {

}
}
}
else {
g.drawString("ENTER VALID PASSWORD.",40,40);
try {
Thread.sleep(3000);
} catch(InterruptedException e) {

}
}
}
}

Sunday 4 March 2012

Set Password using JAVA

//This program lets you the password and access the data as soon as you type the //correct password..without pressing ENTER...

import java.awt.*;
import java.applet.*;
import java.awt.event.*;

/*
<applet code="password_setter" width=400 height=400>
</applet>
*/

public class password_setter extends Applet implements KeyListener {
String msg="";
String password="PASSWORD"; // Write your Password here....
char c;
boolean correct=false;
int i=0;
public void init() {
addKeyListener(this);
requestFocus();
}
public void keyPressed(KeyEvent ke) {
showStatus("key Pressed.");
/*c=ke.getKeyChar();
check=true;
if(c==password.charAt(i++)) {
msg=msg+c;
}
else {
msg="";
i=0;
}*/
//if(msg.equals(password)) showStatus("VALID PASSWORD.");
//showStatus("key Pressed.");
}
public void keyReleased(KeyEvent ke) {
if(msg.equals(password)) showStatus("VALID PASSWORD.");
}
public void keyTyped(KeyEvent ke) {
showStatus("Key Typed.");
//showStatus("Key Typed.");
c=ke.getKeyChar();
if(c==password.charAt(i++)) {
msg=msg+c;
}
else {
msg="";
i=0;
}
if(msg.equals(password)) {
correct=true;
repaint();
showStatus("VALID PASSWORD.");
}
}
public void paint(Graphics g) {
if(correct) g.drawString("YOU HAVE ENTERED CORRECT PASSWORD.",40,40);
}
}

Image changer in Javascript using Z-Index

Preview :
New Web Project

Code :









<html>
    <head>

        <title>New Web Project</title>

        <style type="text/css">

         #block img {

          position:absolute;

          left:10px;

          top:10px;

          z-index:0;

         }

         #but {

          margin-left: 300px;

          margin-top: 300px;

         }

        </style>

    </head>

    <body>

     <script type="text/javascript">

      var b = 0;

      function change() {

       b++;

       var a = document.getElementById(b%5);

       a.style.zIndex = b;

       return;

      }

      function call() {

       var c = setInterval("change()",1000);

       return;

      }

     </script>

        <div id="block">

         <img src="4.png" id="4"/>

         <img src="3.png" id="3"/>

         <img src="2.png" id="2"/>

         <img src="1.png" id="1"/>

        </div>

        <input type="button" id="but" onclick="return call()" value="change">

    </body>

</html>

Thursday 1 March 2012

Image Swaping in Javascript

Preview :

New Web Project

Code :

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>New Web Project</title>
</head>
<body>
<script type="text/javascript">
function swap() {
var t = document.getElementById("i1").src;
document.getElementById("i1").src = document.getElementById("i2").src;
document.getElementById("i2").src = t;
return;
}
</script>
<img src="1.png" id="i1"/>
<img src="2.png" id="i2"/>
<input type="button" id="but" value="swap" onclick="return swap()"/>
<a href="http://killthecode.blogspot.in">For more programs click here</a>
</body>
</html>

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