How to hide a folder without Any software-cmd Tricks-No one can't find the folder

How to hide a folder without Any software-cmd Tricks-No one can't find the folder

Step 1:-

           Open RUN --> Type 'cmd' in RUN -->Enter.

Step 2:-

           Go to the drive of the folder.(ex:  d: (d:\>) )

Step 3:-

           To Hide a folder attrib -s -h demo

(i) attrib-Attribute.

(ii) s-System.

(iii) h-Hide

(iv) 'demo'- Folder Name.

Tats it. .. ..

To view hidden folder.

Similary type in cmd prompt as 'attrib +s +h demo'

How to Download Youtube Video Without any software

How to Download Youtube Video Without any software

Step1:- 

           Go to any Youtube video.
Step:-2
           Go to the Address bar And Click the URL of the video.
Step3:-
           Delete "WWW." And Add SS in beginning of URL.
Step 4:-
          Click Download Link. Thats it.. . :)

For More details see the below Videos:-)

How to Download Youtube Video Without any software

C Program graphics | Press me button game in c, download press-me-button game using C graphics

C Program graphics | Press me button game in c, download press-me-button game using C graphics

Source code:-)

#include <stdio.h>
#include <conio.h>
#include <dos.h>
#include <graphics.h>
#include <stdlib.h>

union REGS i, o;
int left = 265, top = 250;

void initialize_graphics_mode()
{
  int gd = DETECT, gm, error;

  initgraph(&gd,&gm,"C:\\TC\\BGI");

  error = graphresult();

  if (error != grOk)
  {
    perror("Error ");
    printf("Press any key to exit...\n");
    getch();
    exit(EXIT_FAILURE);
  }
}

void showmouseptr()
{
  i.x.ax = 1;
  int86(0x33,&i,&o);
}

void hidemouseptr()
{
  i.x.ax = 2;
  int86(0x33,&i,&o);
}

void getmousepos(int *x,int *y)
{
  i.x.ax = 3;
  int86(0x33,&i,&o);

  *x = o.x.cx;
  *y = o.x.dx;
}

void draw_bar()
{
  hidemouseptr();
  setfillstyle(SOLID_FILL,CYAN);
  bar(190,180,450,350);
  showmouseptr();
}

void draw_button(int x, int y)
{
  hidemouseptr();
  setfillstyle(SOLID_FILL,MAGENTA);
  bar(x,y,x+100,y+30);
  moveto(x+5,y);
  setcolor(YELLOW);
  outtext("Press me");
  showmouseptr();
}

void draw()
{
  settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
  outtextxy(155,451,"<a href="http://errors000.blogspot.in"">errors000.blogspot.in"</a>);
  setcolor(BLUE);
  rectangle(0,0,639,450);
  setcolor(RED);
  outtextxy(160,25,"Try to press the \"Press me\" button");
  outtextxy(210,50,"Press escape key to exit");
  setfillstyle(XHATCH_FILL,GREEN);
  setcolor(BLUE);
  bar(1,1,75,449);
  bar(565,1,638,449);
  showmouseptr();
  draw_bar();
  draw_button(left,top);
}

void initialize()
{
  initialize_graphics_mode();

  if( !initmouse() )
  {
    closegraph();
    printf("Unable to initialize the mouse");
    printf("Press any key to exit...\n");
    getch();
    exit(EXIT_SUCCESS);
  }

  draw();
}

int initmouse()
{
  i.x.ax = 0;
  int86(0x33,&i,&o);
  return ( o.x.ax );
}

void get_input()
{
  int x, y;

  while(1)
  {
    getmousepos(&x,&y);

    /* mouse pointer in left of button */

    if( x >= (left-3) && y >= (top-3) && y <= (top+30+3) && x < left )
    {
      draw_bar();
      left = left + 4;

      if (left > 350)
        left = 190;

      draw_button(left,top);
    }

    /* mouse pointer in right of button */

    else if (x<=(left+100+3)&&y>=(top-3)&&y<=(top+30+3)&&x>(left+100))
    {
      draw_bar();
      left = left - 4;

      if (left < 190)
        left = 350;

      draw_button(left,top);
    }

    /* mouse pointer above button */

    else if(x>(left-3) && y>=(top-3) && y<(top) && x<= (left+100+3))
    {
      draw_bar();
      top = top + 4;

      if (top > 320)
        top = 180;

      draw_button(left,top);
    }

    /* mouse pointer below button */

    else if (x>(left-3)&&y>(top+30)&&y<=(top+30+3)&&x<=(left+100+3))
    {
      draw_bar();
      top = top - 4;

      if (top < 180)
        top = 320;

      draw_button(left,top);
    }

    if (kbhit())
    {
      if (getkey() == 1)
        exit(EXIT_SUCCESS);
    }
  }
}

int getkey()
{
  i.h.ah = 0;
  int86(22,&i,&o);

  return( o.h.ah );
}

main()
{
  initialize();

  get_input();
  return 0;
}

C Programming graphics | paint program in c using C graphics

C Programming graphics | paint program in c using C graphics

Source Code:-)

#include<graphics.h>
#include<dos.h>
#include<math.h>
#include<stdlib.h>
#include<stdio.h>
#include<conio.h>

union REGS i, o;
int leftcolor[15];

int get_key()
{
   union REGS i,o;

   i.h.ah = 0;
   int86(22,&i,&o);

   return ( o.h.ah );
}

void draw_color_panel()
{
   int left, top, c, color;

   left = 100;
   top = 436;

   color = getcolor();
   setcolor(GREEN);
   rectangle(4,431,635,457);
   setcolor(RED);
   settextstyle(TRIPLEX_FONT,0,2);
   outtextxy(10,431,"Colors : ");

   for( c = 1 ; c <= 15 ; c++ )
   {
      setfillstyle(SOLID_FILL, c);
      bar(left, top, left+16, top+16);
      leftcolor[c-1] = left;
      left += 26;
   }

   setcolor(color);
}

void draw_shape_panel()
{
   int left, top, c, color;

   left = 529;
   top = 45;

   color = getcolor();
   setcolor(GREEN);
   rectangle(525,40,633,255);

   for( c = 1 ; c <= 7 ; c++ )
   {
      rectangle(left, top, left+100, top+25);
      top += 30;
   }
   setcolor(RED);
   outtextxy(530,45,"Bar");
   outtextxy(530,75,"Line");
   outtextxy(530,105,"Pixel");
   outtextxy(530,135,"Ellipse");
   outtextxy(530,165,"Freehand");
   outtextxy(530,195,"Rectangle");
   outtextxy(530,225,"Clear");
   setcolor(color);
}

void change_color(int x, int y)
{
   int c;

   for( c = 0 ; c <= 13 ; c++ )
   {
      if( x > leftcolor[c] && x < leftcolor[c+1] && y > 437 && y < 453 )
         setcolor(c+1);
      if( x > leftcolor[14] && x < 505 && y > 437 && y < 453 )
         setcolor(WHITE);
   }
}

char change_shape(int x, int y)
{
   if ( x > 529 && x < 625 && y > 45 && y < 70 )
      return 'b';
   else if ( x > 529 && x < 625 && y > 75 && y < 100 )
      return 'l';
   else if ( x > 529 && x < 625 && y > 105 && y < 130 )
      return 'p';
   else if ( x > 529 && x < 625 && y > 135 && y < 160 )
      return 'e';
   else if ( x > 529 && x < 625 && y > 165 && y < 190 )
      return 'f';
   else if ( x > 529 && x < 625 && y > 195 && y < 220 )
      return 'r';
   else if ( x > 529 && x < 625 && y > 225 && y < 250 )
      return 'c';
}

void showmouseptr()
{
   i.x.ax = 1;
   int86(0x33,&i,&o);
}

void hidemouseptr()
{
   i.x.ax = 2;
   int86(0x33,&i,&o);
}

void restrictmouseptr( int x1, int y1, int x2, int y2)
{
   i.x.ax = 7;
   i.x.cx = x1;
   i.x.dx = x2;
   int86(0x33,&i,&o);

   i.x.ax = 8;
   i.x.cx = y1;
   i.x.dx = y2;
   int86(0x33,&i,&o);
}

void getmousepos(int *button,int *x,int *y)
{
   i.x.ax = 3;
   int86(0x33,&i,&o);

   *button = o.x.bx;
   *x = o.x.cx;
   *y = o.x.dx;
}

main()
{
   int gd = DETECT,gm;

   int maxx,maxy,x,y,button,prevx,prevy,temp1,temp2,key,color;
   char ch = 'f' ;            // default free-hand drawing

   initgraph(&gd,&gm,"C:\\TC\\BGI");

   maxx = getmaxx();
   maxy = getmaxy();

   setcolor(BLUE);
   rectangle(0,0,maxx,maxy);

   setcolor(WHITE);
   settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
   outtextxy(maxx/2-180,maxy-28,"<a href="http://errors000.blogspot.in"">errors000.blogspot.in"</a>);

   draw_color_panel();
   draw_shape_panel();

   setviewport(1,1,maxx-1,maxy-1,1);

   restrictmouseptr(1,1,maxx-1,maxy-1);
   showmouseptr();
   rectangle(2,2,518,427);
   setviewport(1,1,519,428,1);

   while(1)
   {
      if(kbhit())
      {
         key = get_key();

         if( key == 1 )
         {
            closegraph();
            exit(0);
         }
      }

      getmousepos(&button,&x,&y);

      if( button == 1 )
      {
         if( x > 4 && x < 635 && y > 431 && y < 457 )
            change_color( x, y );
         else if ( x > 529 && x < 625 && y > 40 && y < 250 )
             ch = change_shape( x, y );

         temp1 = x ;
         temp2 = y ;

         if ( ch == 'f' )
         {
            hidemouseptr();
            while( button == 1 )
            {
               line(temp1,temp2,x,y);
               temp1 = x;
               temp2 = y;
               getmousepos(&button,&x,&y);
            }
            showmouseptr();
         }

         while( button == 1)
            getmousepos(&button,&x,&y);

         /* to avoid interference of mouse while drawing */
         hidemouseptr();

         if( ch == 'p')
            putpixel(x,y,getcolor());

         else if ( ch == 'b' )
         {
            setfillstyle(SOLID_FILL,getcolor());
            bar(temp1,temp2,x,y);
         }
         else if ( ch == 'l')
            line(temp1,temp2,x,y);
         else if ( ch == 'e')
            ellipse(temp1,temp2,0,360,abs(x-temp1),abs(y-temp2));
         else if ( ch == 'r' )
            rectangle(temp1,temp2,x,y);
         else if ( ch == 'c' )
         {
            ch = 'f';          // setting to freehand drawing
            clearviewport();
            color = getcolor();
            setcolor(WHITE);
            rectangle(2,2,518,427);
            setcolor(color);
         }

         showmouseptr();
      }
   }
}

C Programming graphics | To draw circles in circles using C graphics

C Programming graphics | To draw circles in circles using C graphics

Source Code:-)

#include<graphics.h>
#include<conio.h>
#include<dos.h>

main()
{
   int gd = DETECT, gm, x, y, color, angle = 0;
   struct arccoordstype a, b;

   initgraph(&gd, &gm, "C:\\TC\\BGI");
   delay(2000);

   while(angle<=360)
   {
      setcolor(BLACK);
      arc(getmaxx()/2,getmaxy()/2,angle,angle+2,100);
      setcolor(RED);
      getarccoords(&a);
      circle(a.xstart,a.ystart,25);
      setcolor(BLACK);
      arc(getmaxx()/2,getmaxy()/2,angle,angle+2,150);
      getarccoords(&a);
      setcolor(GREEN);
      circle(a.xstart,a.ystart,25);
      angle = angle+5;
      delay(50);
   }

   getch();
   closegraph();
   return 0;
}

C Programming graphics | Captcha program in c using C graphics

C Programming graphics | Captcha program in c using C graphics

 Source code:-)

#include<stdlib.h>
#include<dos.h>
#include<graphics.h>

main()
{
   int i = 0, key, num, midx, gd = DETECT, gm;
   char a[10];

   initgraph(&gd,&gm,"C:\\TC\\BGI");

   midx = getmaxx()/2;

   settextstyle(SCRIPT_FONT,HORIZ_DIR,5);
   settextjustify(CENTER_TEXT,CENTER_TEXT);
   setcolor(GREEN);
   outtextxy(midx,20,"CAPTCHA");
   settextstyle(SCRIPT_FONT,HORIZ_DIR,2);
   outtextxy(midx,125,"Press any key to change the generated random code \"captcha\"");
   outtextxy(midx,150,"Press escape key to exit...");

   setcolor(WHITE);
   setviewport(100,200,600,400,1);
   setcolor(RED);
   randomize();

   while(1)
   {
      while(i<6)
      {
         num = random(3);

         if ( num == 0 )
            a[i] = 65 + random(26);     /* 65 is the ASCII value of A */
         else if ( num == 1)
            a[i] = 97 + random(26);     /* 97 is the ASCII value of a */
         else
            a[i] = 48 + random(10);     /* 48 is the ASCII value of 0 */
         i++;
      }
      a[i] = '\0';
      outtextxy(210,100,a);
      key = getch();

      if( key == 27 )                     /* escape key*/
         exit(0);
      clearviewport();
      i = 0;
   }
}

C Programming graphics | Smiling face animation using C graphics

 C Programming graphics | Smiling face animation using C graphics

Source code:-)

#include<graphics.h>
#include<conio.h>
#include<stdlib.h>

main()
{
   int gd = DETECT, gm, area, temp1, temp2, left = 25, top = 75;
   void *p;

   initgraph(&gd,&gm,"C:\\TC\\BGI");

   setcolor(YELLOW);
   circle(50,100,25);
   setfillstyle(SOLID_FILL,YELLOW);
   floodfill(50,100,YELLOW);

   setcolor(BLACK);
   setfillstyle(SOLID_FILL,BLACK);
   fillellipse(44,85,2,6);
   fillellipse(56,85,2,6);

   ellipse(50,100,205,335,20,9);
   ellipse(50,100,205,335,20,10);
   ellipse(50,100,205,335,20,11);

   area = imagesize(left, top, left + 50, top + 50);
   p = malloc(area);

   setcolor(WHITE);
   settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
   outtextxy(155,451,"Smiling Face Animation");

   setcolor(BLUE);
   rectangle(0,0,639,449);

   while(!kbhit())
   {
      temp1 = 1 + random ( 588 );
      temp2 = 1 + random ( 380 );

      getimage(left, top, left + 50, top + 50, p);
      putimage(left, top, p, XOR_PUT);
      putimage(temp1 , temp2, p, XOR_PUT);
      delay(100);
      left = temp1;
      top = temp2;
   }

   getch();
   closegraph();
   return 0;
}

C Programming graphics | To draw a 3d bar chart using C graphics

C Programming graphics | To draw a 3d bar chart using C graphics

 Source code:-)

#include <graphics.h>
#include <conio.h>

int main()
{
   int gd = DETECT, gm;

   initgraph(&gd, &gm, "C:\\TC\\BGI");

   setcolor(YELLOW);
   rectangle(0,30,639,450);
   settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
   setcolor(WHITE);
   outtextxy(275,0,"Bar Chart");

   setlinestyle(SOLID_LINE,0,2);

   line(100,420,100,60);
   line(100,420,600,420);
   line(90,70,100,60);
   line(110,70,100,60);
   line(590,410,600,420);
   line(590,430,600,420);

   outtextxy(95,35,"Y");
   outtextxy(610,405,"X");
   outtextxy(85,415,"O");

   setfillstyle(LINE_FILL,BLUE);
   bar(150,100,200,419);

   setfillstyle(XHATCH_FILL,RED);
   bar(225,150,275,419);

   setfillstyle(WIDE_DOT_FILL,GREEN);
   bar(300,200,350,419);

   setfillstyle(INTERLEAVE_FILL,MAGENTA);
   bar(375,125,425,419);

   setfillstyle(HATCH_FILL,BROWN);
   bar(450,175,500,419);

   getch();
   return 0;
}

C Programming graphics | C program draw bar chart using C graphics

C Programming graphics | C program draw bar chart using C graphics

Source code:-)

#include <graphics.h>
#include <conio.h>

main()
{
   int gd = DETECT, gm;

   initgraph(&gd, &gm, "C:\\TC\\BGI");

   setcolor(YELLOW);
   rectangle(0,30,639,450);
   settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
   setcolor(WHITE);
   outtextxy(275,0,"Bar Chart");

   setlinestyle(SOLID_LINE,0,2);

   line(100,420,100,60);
   line(100,420,600,420);
   line(90,70,100,60);
   line(110,70,100,60);
   line(590,410,600,420);
   line(590,430,600,420);

   outtextxy(95,35,"Y");
   outtextxy(610,405,"X");
   outtextxy(85,415,"O");

   setfillstyle(LINE_FILL,BLUE);
   bar(150,100,200,419);

   setfillstyle(XHATCH_FILL,RED);
   bar(225,150,275,419);

   setfillstyle(WIDE_DOT_FILL,GREEN);
   bar(300,200,350,419);

   setfillstyle(INTERLEAVE_FILL,MAGENTA);
   bar(375,125,425,419);

   setfillstyle(HATCH_FILL,BROWN);
   bar(450,175,500,419);

   getch();
   return 0;
}

C Programs | ShutDown computer | code for Ubuntu Linux

C Programs | ShutDown computer | code for Ubuntu Linux

Source code:-)

#include <stdio.h>

int main() {
  system("shutdown -P now");
  return 0;
}

JAVA PROGRAMS-Bank Transaction

Program Name:- Bank Transaction

import java.io.*;
class bankacc
{
int withdraw,deposite,amt;
int accbal;
static String accname;
static int accno;
public void withdraw()throws IOException
{
DataInputStream inp=new DataInputStream(System.in);
System.out.println("enter the amount for withdraw");
amt=Integer.parseInt(inp.readLine());
if(accbal<amt)
{
System.out.println("You can't withdraw amount");
}
else
{
accbal=accbal-amt;
}
}
public void deposite()throws IOException
{
DataInputStream inp=new DataInputStream(System.in);
System.out.println("enter the amount for deposite");
amt=Integer.parseInt(inp.readLine());
accbal=accbal+amt;
}
public void disp()
{
System.out.println("account name\t:"+accname);
System.out.println("\naccount number\t:"+accno);
System.out.println("\nbalance\t:"+accbal);
}
public static void main(String args[])throws IOException
{
DataInputStream inp=new DataInputStream(System.in);
bankacc bd=new bankacc();
System.out.println("enter the accno:");
accno=Integer.parseInt(inp.readLine());
System.out.println("enter the accname");
accname=inp.readLine();
int c=0,ch;
while(c==0)
{
System.out.println("1.deposite\n");
System.out.println("2.withdraw\n");
System.out.println("3.display");
System.out.println("\n 4.enter your choice\n");
ch=Integer.parseInt(inp.readLine());
if(ch==1)
bd.deposite();
else if(ch==2)
bd.withdraw();
else
bd.disp();
System.out.println("do you want continue enter the 0");
c=Integer.parseInt(inp.readLine());
}
}
}

OUTPUT;-

Compile:-

c:\javaprograms>javac banckacc.java

RUN:-

c:\javaprograms>java bankacc

Enter the account number:

1

Enter the account name:

Ajith

1.Deposit

2.Withdraw

3.Display

Enter your choice:

1

Enter the amount to deposite:

500

Do you want to continue:

0

1.Deposit

2.Withdraw

3.Display

Enter your choice:

3

Account Name:Ajith

Account Number:1

Balance:500

Do you want to continue:

0

1.Deposit

2.Withdraw

3.Display

Enter your choice:

2

Enter the amount of withdraw:

260

Do you want to continue:

0

1.Deposit

2.Withdraw

3.Display

Enter your choice:

3

Account Name:Ajith

Account number:1

Balance:240

Do you want to continue:

1

Java Programs - Alphabetical order of the given Name

 Alphabetical order of the given Name

Program Name:-    alpha.java

import java.io.*;
import java.lang.*;
class alpha
{
public static void main(String args[])throws IOException
 {
 String a[]=new String[10];
 String b;
 int n;
 DataInputStream in=new DataInputStream(System.in);
 System.out.print("\nEnter the Number of name  :");
 n=Integer.parseInt(in.readLine());
 for(int i=0;i<n;i++)
  {
  a[i]=in.readLine();
  }
  for(int i=0;i<n;i++)
  {
  for(int j=i+1;j<n;j++)
   {
    if(a[i].compareTo(a[j])<0)
    {
    b=a[i];
    a[i]=a[j];
    a[j]=b;
    }
   }
  }
 System.out.println("\n Alphabetical order of name is:");
 for(int i=0;i<n;i++)
 {
 System.out.println(a[i]);
 }
 }
}

JAVA PROGRAMS-Dispatch Program In Java

Dispatch Program In Java

Program Name:- dispatch.java

import java.io.*;
class a
{
void callme()
 {
 System.out.println("\nInside A's callme method");
 }
}
class b extends a
{
 void callme()
 {
 System.out.println("\nInside B's callme method");
 }
}
class c extends b
{
 void callme()
 {
 System.out.println("\nInside C's callme method");
 }
}
class dispatch
{
public static void main(String args[])
 {
 a obj=new a();
 b obj1=new b();
 c obj2=new c();
 a r;
 r=obj;
 obj.callme();
 r=obj1;
 obj1.callme();
 r=obj2;
 obj2.callme();
 }
}

JAVA PROGRAMS-Matrix Program in Java

Matrix Program in Java

  Program Name:- matrix.java 

import java.io.*;

class matrix

{

public static void main(String args[])throws IOException

{

 DataInputStream in=new DataInputStream(System.in);

 int i,j,m,n,k;

 int a[][]=new int[10][10];

 int b[][]=new int[10][10];

 int c[][]=new int[10][10];

 int d[][]=new int[10][10];

 System.out.print("\n Enter the row and column\n\n");

 m=Integer.parseInt(in.readLine());

 n=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the element of matrix A\n\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 a[i][j]=Integer.parseInt(in.readLine());

 }

 }

 System.out.print("\n Enter the element of matrix B\n\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 b[i][j]=Integer.parseInt(in.readLine());

 }

 }

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 for(k=0;k<m;k++)

 {

 c[i][j]=c[i][j]+a[i][k]*b[k][j];

 }

 }

 }

 System.out.print("\n A matrix\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 System.out.print(a[i][j]+"\t");

 }

 System.out.println();

 }

 System.out.print("\n B matrix\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 System.out.print(b[i][j]+"\t");

 }

 System.out.println();

 }

 System.out.print("\n Multipul matrix\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 System.out.print(c[i][j]+"\t");

 }

 System.out.println();

 }

 }

}

JAVA PROGRAMS-Stack Program In Java

Stack Program In Java

Program Name:- stackdemo.java

import java.io.*;
class stack
{
int s[]=new int[100];
int top;
void stack()
 {
 top=0;
 System.out.println("\n The stack is empty");
 }
public void push()throws IOException
 {
 DataInputStream inp=new DataInputStream(System.in);
 int x;
 if(top==100)
  {
  System.out.println("The Stack is full");
  }
 else
  {
  System.out.print("\n Enter the value  :");
  x=Integer.parseInt(inp.readLine());
  s[top]=x;
  top++;
  System.out.println("\n The value is pushed");
  }
 }
public void pop()throws IOException
 {
 DataInputStream inp=new DataInputStream(System.in);
 int y;
 if(top==0)
  {
  System.out.println("\n The stack is empty");
  }
 else
  {
  top--;
  y=s[top];
  s[top]='\0';
  System.out.println("\n The value is poped");
  }
 }
void display()
 {
 int i;
 if(top==0)
 {
  System.out.println("\nThe stack is empty");
  }
 else
  {
   System.out.println("\nValues are top-->");
  }
 for(i=top-1;i>=0;i--)
  System.out.println(s[i]);
 }
}
public class stackdemo
{
public static void main(String args[])throws IOException
 {
 stack in=new stack();
 int item=0;
 int opt=1;
 String s=new String();
 while(opt<4)
 {
 System.out.println("\n\n\t\t Main menu\n\n1.push\n\n2.Pop\n\n3.Display\n\n4.Exit\n\nSelection the option");
 DataInputStream din=new DataInputStream(System.in);
 s=din.readLine();
 opt=Integer.parseInt(s);
 switch(opt)
  {
   case 1:
   System.out.println("\nEnter the elementis add");
   in.push();
   break;
   case 2:
   System.out.println("\nEnter the delete item");
   in.pop();
   break;
   case 3:
   System.out.println("\nThe stack element is:");
   in.display();
   break;
   default:
   opt=4;
   }
  }
 }
}

JAVA PROGRAMS-For,While,Do-While,Ternary Loops programs in Java

For,While,Do-While,Ternary Loops programs in Java

Program Name:- simplepgm2

import java.io.*;

class simplepgm

{

void for_fun()

{

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

for(int i=1;i<=5;i++)

{

for(int j=1;j<=i;j++)

{

System.out.println(""+j);

}

System.out.println("\n");

}

}

void while_fun()

{

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

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

System.out.println(a+"\n"+b+"\n");

while(c<=0)

{

int f=a+b;

System.out.println(f+"\n");

c+=1;

a=b;

b=f;

}

}

 void dowhile_fun()

 {

 int sum=0,i=1;

 do

{

sum=sum+i;

i+=1;

}

while(i<=10);

System.out.println("sum="+sum);

}

void ternary_fun()

{

int a=10,b=15,c=5;

int x=(a>b&&a>c)?a:(b>c)?b:c;

System.out.println(x+" is big");

}

}

class simplepgm2

{

public static void main(String arg[])throws IOException

{

char choice;

simplepgm obj=new simplepgm();

do

{

System.out.println("\n 1.For funtion");

System.out.println("\n 2.While funtion");

System.out.println("\n 3.do while funtion");

System.out.println("\n 4.Ternary funtion");

choice=(char)System.in.read();

}while(choice<'1'||choice>'8');

switch(choice)

{

case '1':

obj.for_fun();

break;

case '2':

obj.while_fun();

break;

case '3':

obj.dowhile_fun();

break;

case '4':

obj.ternary_fun();

break;

default:

System.out.println("not current choice");

}

}

}

JAVA PROGRAMS-Interface Demo program in java

Interface Demo program in java

Program Name:- inter1

import java.io.*;

interface demo

{

final double pi=3.14;

abstract double area(int r);

}

interface demo1

{

abstract double circum(int r);

}

class cir implements demo,demo1

{

public double area(int r)

{

return pi*r*r;

}

public double circum(int a)

{

return 2*pi*a*a;

}

}

class inter1

{

public static void main(String arg[])

{

cir c=new cir();

System.out.print("\nCircle\t:"+c.area(5));

System.out.print("\nCircum\t:"+c.circum(5));

}

}

JAVA PROGRAMS-Hierarchical Inheritance in Java

Hierarchical Inheritance in Java

Program Name:- hiear.java

import java.io.*;
class vehicle
{
String regno;
int model;
 vehicle(String r,int m)
 {
 regno=r;
 model=m;
 }
 void display2()
 {
 System.out.print("\nRegistration number\t:"+regno);
 System.out.print("\nModel\t\t\t:"+model);
 }
}
class roadvehicle extends vehicle
{
int noof;
 roadvehicle(String r,int m,int n)
 {
 super(r,m);
 noof=n;
 }
 void display()
 {
 System.out.print("\n\n\t Road Vehicle\n\n");
 super.display2();
 System.out.print("\nNumber of wheel\t:"+noof);
 }
}
class watervehicle extends vehicle
{
int nn;
 watervehicle(String s,int m,int n)
 {
 super(s,m);
 nn=n;
 }
 void display1()
 {
 System.out.print("\n\n\t Water Vehicle\n\n");
 super.display2();
 System.out.print("\nNumber of leaf\t:"+nn);
 }
}
public class hiear
{
 public static void main(String[]args)
 {
 roadvehicle r;
 watervehicle w;
 r=new roadvehicle("TN 58 s 5482",2011,2);
 w=new watervehicle("TN  57 A 5828",2011,10);
 r.display();
 w.display1();
 }
}

JAVA PROGRAMS-Multi Level Inheritance in Java

Multi Level Inheritance in Java

Program Name:- multi.java

import java.io.*;

class box1

{

int length,width,height;

box1()

 {

 length=0;

 width=0;

 height=0;

 }

box1(int l)

 {

 length=width=height=l;

 }

box1(int l,int w,int h)

 {

 length=l;

 width=w;

 height=h;

 }

int volume()

 {

 int v;

 v=length*width*height;

 return(v);

 }

}

class boxweight extends box1

{

double weight;

boxweight()

 {

 super();

 weight=0;

 }

boxweight(int l,double m)

 {

 super(l);

 weight=m;

 }

boxweight(int l,int w,int h,double m)

 {

 super(l,w,h);

 weight=m;

 }

}

class shipping extends boxweight

{

double cost;

shipping()

 {

 super();

 cost=0;

 }

shipping(int l,double m,double c)

 {

 super(l,m);

 cost=c;

 }

shipping(int l,int h,int w,double m,double c)

 {

 super(l,w,h,m);

 cost=c;

 }

}

class multi

{

public static void main(String args[])

{

shipping s1=new shipping(10,5,7,100.1,150.2);

shipping s2=new shipping(5,2,10,20.0,115.50);

double vol1,vol2;

vol1=s1.volume();

vol2=s2.volume();

System.out.println("\n\t Shipping list");

System.out.print("\n\n Volume weight cost");

System.out.print("\n"+vol1+" "+s1.weight+"rs\t"+s1.cost);

System.out.print("\n"+vol2+" "+s2.weight+"rs\t"+s2.cost);

 }

}