C Programming graphics | Traffic light program in c, traffic light simulation using C graphics

C Programming graphics | Traffic light program in c, traffic light simulation using C graphics

Source Code:-)

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

main()
{
   int gd = DETECT, gm, midx, midy;

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

   midx = getmaxx()/2;
   midy = getmaxy()/2;

   setcolor(RED);
   settextstyle(SCRIPT_FONT, HORIZ_DIR, 3);
   settextjustify(CENTER_TEXT, CENTER_TEXT);
   outtextxy(midx, midy-10, "Traffic Light Simulation");
   outtextxy(midx, midy+10, "Press any key to start");
   getch();
   cleardevice();
   setcolor(WHITE);
   settextstyle(DEFAULT_FONT, HORIZ_DIR, 1);
   rectangle(midx-30,midy-80,midx+30,midy+80);
   circle(midx, midy-50, 22);
   setfillstyle(SOLID_FILL,RED);
   floodfill(midx, midy-50,WHITE);
   setcolor(BLUE);
   outtextxy(midx,midy-50,"STOP");
   delay(2000);
   graphdefaults();
   cleardevice();
   setcolor(WHITE);
   rectangle(midx-30,midy-80,midx+30,midy+80);
   circle(midx, midy, 20);
   setfillstyle(SOLID_FILL,YELLOW);
   floodfill(midx, midy,WHITE);
   setcolor(BLUE);
   outtextxy(midx-18,midy-3,"READY");

   delay(2000);
   cleardevice();
   setcolor(WHITE);
   rectangle(midx-30,midy-80,midx+30,midy+80);
   circle(midx, midy+50, 22);
   setfillstyle(SOLID_FILL,GREEN);
   floodfill(midx, midy+50,WHITE);
   setcolor(BLUE);
   outtextxy(midx-7,midy+48,"GO");
   setcolor(RED);
   settextstyle(SCRIPT_FONT, HORIZ_DIR, 4);
   outtextxy(midx-150, midy+100, "Press any key to exit...");

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

C Programming graphics | Web browser project in c, c program to open a website/url using C graphics

C Programming graphics | Web browser project in c, c program to open a website/url using C graphics

Source code:-)

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

void initialize_graphics_mode();
int get_key();
void draw();

union REGS i, o;

main()
{
  int key, i = 0, xpos, ypos, button;
  char arr[200], temp[5], *ptr;
  char a[] = "C:\\Progra~1\\Mozill~1\\firefox ";

  strcpy(arr,a);

  i = strlen(a);

  initialize_graphics_mode();

  draw();

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

    if((key>=97&&key<=122)||(key>=65&&key<=90)||key==46||key==47||key==63)
    {
      arr[i] = key;
      sprintf(temp,"%c",arr[i]);
      outtext(temp);
      if(getx()>470)
      {
        clearviewport();
        moveto(5,2);
      }
      i++;
    }
    else if ( key == 13 )
    {
      arr[i] = '\0';
      system(arr);
      break;
    }
    else if ( key == 27 )
    {
      closegraph();
      exit(EXIT_SUCCESS);
    }
    if(button==1&&xpos>=150&&xpos<=480&&ypos>=300&&ypos<=330)
    {
      system("C:\\Progra~1\\Mozill~1\\firefox errors000.blogspot.in");
      break;
    }
    key = -1;
  }

  closegraph();
  return 0;
}

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

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

  if( errorcode != grOk )
  {
    printf("Graphics error : %s\n",grapherrormsg(errorcode));

    printf("Press any key to exit...\n");
    getch();
    exit(EXIT_FAILURE);
  }
}

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

  return( o.h.al );
}

void draw()
{
  settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
  outtextxy(275,11,"Web Browser");
  outtextxy(155,451,"<a href="http://errors000.blogspot.in"">errors000.blogspot.in"</a>);
  outtextxy(5,105,"Enter URL : ");
  rectangle(120,100,600,130);
  setviewport(121,101,599,129,1);
  moveto(5,1);
}

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 | 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 | 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 program | To generate random numbers

 C program | To generate random numbers

Source code:-)

#include <stdio.h>
#include <stdlib.h>

int main() {
  int c, n;

  printf("Ten random numbers in [1,100]\n");

  for (c = 1; c <= 10; c++) {
    n = rand()%100 + 1;
    printf("%d\n", n);
  }

  return 0;
}

C programs | Palindrome number checking in C program

 C programs | Palindrome number checking in C program

Source Code :-)

#include <stdio.h>

int main()
{
   int n, reverse = 0, temp;

   printf("Enter a number to check if it is a palindrome or not\n");
   scanf("%d",&n);

   temp = n;

   while( temp != 0 )
   {
      reverse = reverse * 10;
      reverse = reverse + temp%10;
      temp = temp/10;
   }

   if ( n == reverse )
      printf("%d is a palindrome number.\n", n);
   else
      printf("%d is not a palindrome number.\n", n);

   return 0;
}

Outuput:-)

Enter a number to check if it is a palindrome or not

121

121 is a palindrome number.

C program | To Make a Simple Calculator to Add, Subtract, Multiply or Divide Using switch.....case

C program | To Make a Simple Calculator to Add, Subtract, Multiply or Divide Using switch.....case

Source code :-)

/* C programming-Source code to create a simple calculator for addition, subtraction, multiplication and division using switch...case statement */

# include <stdio.h>
int main()
{
    char o;
    float num1,num2;
    printf("Enter operator either + or - or * or divide : ");
    scanf("%c",&o);
    printf("Enter two operands: ");
    scanf("%f%f",&num1,&num2);
    switch(o) {
        case '+':
            printf("%.1f + %.1f = %.1f",num1, num2, num1+num2);
            break;
        case '-':
            printf("%.1f - %.1f = %.1f",num1, num2, num1-num2);
            break;
        case '*':
            printf("%.1f * %.1f = %.1f",num1, num2, num1*num2);
            break;
        case '/':
            printf("%.1f / %.1f = %.1f",num1, num2, num1/num2);
            break;
        default:
            /* If operator is other than +, -, * or /, error message is shown */
            printf("Error! operator is not correct");
            break;
    }
    return 0;

Output:-)

Enter operator either + or - or * or divide : -
Enter two operands: 3.4
8.4
3.4 - 8.4 = -5.0

C Program | To Find ASCII Value of a Character-Source code

C Program | To Find ASCII Value of a Character

Source code:-)

 /* Source code to find ASCII value of a character entered by user */

#include <stdio.h>
int main(){
    char c;
    printf("Enter a character: ");
    scanf("%c",&c);        /* Takes a character from user */
    printf("ASCII value of %c = %d",c,c);
    return 0;
}

Output:-)

Enter a character: G
ASCII value of G = 71

C Program | Find odd or even using conditional operator

 C Program-Find odd or even using conditional operator

Source Code :-)

#include<stdio.h>

main()
{
   int n;

   printf("Input an integer\n");
   scanf("%d",&n);

   n%2 == 0 ? printf("Even\n") : printf("Odd\n");

   return 0;
}

C program to check odd or even number-Source code

C program to check odd or even number-Source code

Source Code:-)

#include<stdio.h>

main()
{
   int n;

   printf("Enter an integer\n");
   scanf("%d",&n);

   if ( n%2 == 0 )
      printf("Even\n");
   else
      printf("Odd\n");

   return 0;
}

C Programming Language-C Program to Print a Statement

 C Program to Print a Statement

Source Code:-

/* C Program to print a statement. */
#include <stdio.h>
int main()
{
   printf("Welcome to Errors"); /* printf() used to prints the content inside quotation */
   return 0;
}

Output :-)

Welcome to Errors

PHP TUTORIALS-POST METHOD

PHP TUTORIALS SESSION 3 POST METHOD WITH EXAMPLE PROGRAM 

HTML Program Name:- htmlpost1.html

<html>

<head>

<body>

<h1><center>Post Method</center></h1>

<form action="post1.php" method="post">

Name:<input type="text" name="name">

Email:<input type="text" name="email">

<input type="submit" value="Submit">

</form>

</body>

</head>

</html>

PHP Program Name:- post1.php

Welcome <?php echo $_POST["name"];?>

Your email id is:<?php echo $_POST["email"]; ?>

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-Method In Java Program

Method In Java Program

Program Name:- method.java

import java.io.*;

class circle

{

double radius;

final double pi=3.14;

circle(double r)

 {

 radius=r;

 }

double area()

 {

 return pi*radius*radius;

 }

double circum()

 {

 return 2*pi*radius;

 }

}

class cylinder extends circle

{

double hight;

cylinder(double r,double h)

 {

 super(r);

 hight=h;

 }

double area()

 {

 return circum()*hight;

 }

double volume()

 {

 return pi*radius*hight;

 }

}

class method

{

public static void main(String args[])

 {

 double area,area1,sectionarea,surfacearea,volume;

 circle cir=new circle(5.5);

 cylinder cy=new cylinder(3.2,12.5);

 area=cir.area();

 area1=cir.circum();

 System.out.println("\nArea of the circle of radius "+cir.radius+"\t:"+area);

 System.out.println("\nCircum ference of a circle\t:"+area1);

 System.out.println("\nCalculation for cylinder of radius "+cy.radius+" and height  "+cy.hight);

 surfacearea=cy.area();

 volume=cy.volume();

 System.out.println("\nSurface area\t"+surfacearea);

 System.out.println("\nVolume    \t"+volume);

 }

}

JAVA PROGRAMS-Student Details Program in Java

Student Details Program in Java

Program Name:- student1.java

import java.io.*;

class studentdetail

{

int sno;

String sname,major,yos;

 void getdata()throws IOException

 {

 DataInputStream in=new DataInputStream(System.in);

 System.out.print("\n Enter the student number\t:");

 sno=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the student name\t:");

 sname=in.readLine();

 System.out.print("\n Enter the student Major\t:");

 major=in.readLine();

 System.out.print("\n Enter the year of student\t:");

 yos=in.readLine();

 }

}

class markdetails extends studentdetail

{

int m1,m2,m3,m4,tot;

String res;

void read()throws IOException

 {

 DataInputStream in=new DataInputStream(System.in);

 getdata();

 System.out.print("\n Enter the mark1\t:");

 m1=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the mark2\t:");

 m2=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the mark3\t:");

 m3=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the mark4\t:");

 m4=Integer.parseInt(in.readLine());

 }

void total()

 {

 tot=m1+m2+m3+m4;

 }

 void result()

 {

 if((m1>=50)&&(m2>=50)&&(m3>=50)&&(m4>=50))

 res="Pass";

 else

 res="Fail";

 }

 void display()

 {

 System.out.println("\n\n \t Student details \n\n");

 System.out.println("\n Student number\t:"+sno);

 System.out.println("\n Student name\t:"+sname);

 System.out.println("\n Student major\t:"+major);

 System.out.println("\n Year of Study\t:"+yos);

 System.out.print("\n mark1: \t"+m1+"\n\n mark2: \t"+m2+"\n\n mark3: \t"+m3+"\n\n mark4: \t"+m4);

 System.out.print("\n\n Total: \t"+tot+"\n\n Result: "+res);

 }

}

class student1

{

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

{

markdetails in=new markdetails();

in.read();

in.total();

in.result();

in.display();

}

}

JAVA PROGRAMS-Java Program using Super key

Java Program using Super key

Program Name:-  superkey.java

class rectangle

{

int length,breadth;

 rectangle(int l,int m)

 {

 length=l;

 breadth=m;

 }

 int area()

 {

 int a;

 a=length*breadth;

 return(a);

 }

}

class box extends rectangle

{

int height;

 box(int l,int b,int h)

 {

 super(l,b);

 height=h;

 }

 int volume()

 {

 int v;

 v=length*breadth*height;

 return(v);

 }

}

class superkey

{

 public static void main(String args[])

 {

 box in=new box(10,10,10);

 int a,v;

 a=in.area();

 v=in.volume();

 System.out.print("\nArea\t:"+a);

 System.out.print(" \nVolume\t:"+v);

 }

}

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;
   }
  }
 }
}