java programs

JAVA PROGRAMS:
AWT DEMO:

import java.io.*;
import java.applet.*;
import java.awt.event.*;
public class awtdemo1 extends Applet implements AdjustmentListener,ActionListener,ItemListener
{
int svalue;
Label t,s,col,ft;
TextField tf;
Scrollbar vs,hs;
Choice c;
List lis;
String sta,cc,fst;
String fontlist();
Color cc1;
public void init()
{
cc1=new Color(0,0,0);
fst="Times";
svalue=l2;
cc=new String("color.balck");
sta=new String("KULANTHAIVEL");
t=new Label("Enter the text here:");
col=new Label("Font Color");
ft=new Label("Font Style");
hs=new Scrollbar(Scrollbar.HORIZANTAL,0,1,0,40);
hs.addAdjustmentListener(this);
tf=new TextFiled(20);
c=new choice();
c.addItem("red");
c.addItem("yellow");
c.addItem("blue");
c.addItem("green");
c.addItem("cyan");
c.addItem("magenta");
c.addItem("gray");
c.addItem("black");
c.addItem("orange");
lis=new List();
GraphicsEnvironment ge=GraphicsEnvironment getLocal GraphicsEnvironment();
fontlist=ge.getAvailableFontFamilyNames();
for(int i=0;i<fontlist.length;i++)
lis.add(fontlist[i]);
add(t);
add(tf);
add(s);
add(hs);
add(col);
add(lis);
tf.addActionListener(this);
c.addItemListener(this);
lis.addActionListener(this);
}
public void adjustmentValueChanged(AdjustmentEvent aev)
{
svalue=hs.getValue();
repaint();
}
public void actionPerformed(ActionEvent ae)
{
fst=lis.getSelectItem();
sta=tf.getText();
repaint();
}
public void ItemStateChange(ItemEvent ie)
{
cc=c.getSelectItem();
if(cc.equals("red"))
cc1=new color(255,0,0);
if(cc.equals("blue"))
cc1=new color(0,0,255);
if(cc.equals("green"))
cc1=new color(0,255,0);
if(cc.equals("black"))
cc1=new color(0,0,0);
repaint();
}
public void paint(Graphics g)
{
SetFont(new font(fst,font,plain,svalue));
g.setColor(cc1);
g.drawString(sta,50,200);
}
{
<applet code=awtdemo1.class width=500 height=500></applet>
 }
 }
count program:

import java.io.*;
class count
{
public static void main(String arg[])
{
int sum = 0, i = 0, r = 0, q = 0, dig = 0;
DataInputStream in = new DataInputStream(System.in);
int n = 0;
try
{
System.out.println("Enter the digits:");
n = Integer.parseInt(in.readLine());
}
catch (Exception e)
{
}
while (i <= n)
{
q = n / 10;
r = n % 10;
sum = sum + r;
i++;
dig++;g
n = q;
}
System.out.println("sum of digits" + sum);
System.out.println("no.of digits" + dig);
}
}
decimal program:

import java.io.*;
class deci
{
public static void main(String args[])
{
int bin=0,m=1,q=0,r=0,dec=0;
DataInputStream in =new DataInputStream(System.in);
int n=0;
try
{
System.out.println("Enter the decimal number:");
n=Integer.parseInt(in.readLine());
}
catch(Exception e)
{
}
dec=n;
while(n>0)
{
q=n/2;
r=n%2;
bin=bin+r*m;
m=m*10;
n=q;
}
System.out.println("decimal eqivalent binary "+bin);
}
}
FLOYOUT PROGRAM:

import java.awt.*;
import java.io.*;
import java.awt.event.*;
import java.applet.*;
import java.lang.*;
public class flayout extends Applet implements ActionListener
{
Button factorial,square;
TextField factt;
Label namef;
FlowLayout f;
String str,str1;
public void init()
{
factorial=new Button("FACTORIAL");
square=new  Button("SQUARE");
factt=new FlowLayout();
setLayout(f);
add(namef);
add(factt);
add(factorial);
add(square);
factorial.addActionListener(this);
square.addActionListener(this);
}
public void actionPerformed(ActionEvent ae)
{
String g=ae.getActionCommand();
if(g.equals("FACTORIAL"))
{
str=g;
int f=1;
int n=Integer.parseInt(factt.gettext());
for(int i=1;i<=n;i++)
f=f*i;
str1=Integer.toString(f);
repaint();
}
if(g.equals("SQURE"))
{
str=g;
int sq;
int n1=Integer.parseInt(factt.gettext());
sq=n1*n1;
str1=Integer.toString(sq);
repaint();
}
}
public void paint(Graphics g)
{
g.setColor(Color.red);
g.drawString("The"+str+"is"+str1,100,100);
}
}

SALARY PROGRAM:

import java.io.*;

class sal

{

public static void main(String args[])

{

String s=" ";

int ba= 0,hra=0,ta=0,lic=0,pf=0,da,gross=0;

DataInputStream in=new DataInputStream(System.in);

try

{

System.out.println("Enter the name");

s=in.readLine();

System.out.println("enter the basic salary:");

ba=Integer.parseInt(in.readLine());

}

catch(Exception e)

{

 }

 hra=ba*25/100;

 da=ba*15/100;

 ta=ba*10/100;

 lic=ba*10/100;

 pf=ba*5/100;

 gross=(da+hra+ta)-(lic+pf)+ba;

 System.out.println("Name:"+s);

 System.out.println("Basic Salary:"+ba);

 System.out.println("HRA:"+hra);

 System.out.println("DA:"+da);

 System.out.println("TA:"+ta);

 System.out.println("LIC:"+lic);

 System.out.println("GROSS SALARY:"+gross);

 System.out.println("PF:"+pf);

 }

 }

STRING PROGRAM:

import java.io.*;

class str

{

public static void main(String args[])

{

String s1=args[0];

String s2=args[1];

System.out.println(s1+s2);

}

}

FIBONACCI PROGRAM:

import java.io.*;

class fibo 

{

public static void main(String args[])

{

int a=0,b=1,c,i=2;

String s1=args[0];

int n=Integer.parseInt(s1);

System.out.println("fibonacci series");

System.out.println("****************");

System.out.println(a);

System.out.println(b);

while(i<n)

{

c=a+b;

System.out.println(c);

a=b;

b=c;

i++;

}

}

}