practising C, C++ and JAVA programming with examples

program to draw a circle

//drawing circle
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
void main()
{
clrscr();
int gdriver, gmode; //variables declaration
gdriver=DETECT; // detection of graphics driver

initgraph(&gdriver, &gmode, "c:\\tc\\BGI");
/* initialize graphics and local variables with path in TC folder*/
/* gmode is for graphics mode you want to work. */
circle(40,40,30); // circle with starting and ending angle (coordinate value for x and y of screen)
//where you want to display circle;for x and y res.
//last argument is radius.
getch(); //gets one character from user and closes the graphics.
closegraph(); //closes graphics.h
}

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I am Lal Krishna Mallik, a computer professional who loves to learn and share new things in computer field. I love computing most of the times.

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how to activate graphics library in Turbo C++IDE

follow the steps given here:

step1) open turbo c++ IDE

step 2) click options

step 3) click linker and then library

step 4) click library and check out graphics library

done!!!

now you can start writing code using graphics.h

removing home button from blogger

follow following steps to remove "HOME" button from posts.
---------------------------------------------------------------------
-> sign in
->goto theme on dashboard/left side of your blog.
-> click edit HTML
> Find
]]></b:skin>
->replace that with following code above it.

.home-link { display:none;}

->save it.

->done.

Mouse related program:

Mouse related program:
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1) WAp to activate /initialize mouse.
solution

2)WAP to show pointer of mouse(text and graphics mode)

solution

3) WAP to detect click(right/left/middle) of mouse

solution

4)WAP to know co-ordinate of click of mouse

solution

5)WAP to restrict click of mouse in certain area.

solution

Graphics related program

Graphics related program:-
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how to activate graphics library in Turbo C++IDE click for its video

programs' collection
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1) WAp to draw a circle

solution

watch video

2)WAP to draw a rectangle.
solution

watch video

3)WAP to draw triangle.

solution
watch video
4)WAP to draw a line.

solution
watch video

5)WAp to display a text with background colour.

solution
watch video

6) program to understand outtext() and outtextxy().

solution

watch video
7) program to move a circle.

solution

w tach video

Data file handling related program:

Data file handling related program:
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1)WAP to store data/character in a datafile.
or
program to understand putc() to store data(one character).

solution

2)WAP to read data/character from opened file.
or
program to understand getc() to read a character from opened file.

solution

WAP to store data/character in an opened file then read that character and print on screen in same program.
solution.

3)WAP to store integers in a data file.
solution or
WAp to read that stored integers in previuos qusetion(3).
solution

or
Program to understand getw() to read,and putw() to store a number in an opened file in same program.

solution

4)WAP to store and read data stored in a data file (q3) using fprintf() and fscanf() function.
solution

5)WAP to store roll,name and percentage of some students in a data file.
or
solution
WAP to read roll,name and percentage of some students from a data file (previous question).

or
solution
WAP to store and read roll,name and percentage of some students to /from a data file using same program.
solution

.

6) program to store data (employee name and salary) in a data file using fwrite().

solution
program to read data stored in a datafile and print on screen using fread().

solution
Write a program to write/store record and read from data file. THis data file contains employee name and salary. Use fread () and fwrite().

solution
7)Write a program to store book_id,book_name and book_price of some books to a data file until you say 'n'. Then same file displays all records.
solution

8) USe 'struct ' concept to store employee id,first name and salary to a data file until you say 'n'. Then display all those stored records.

solution
9)Program to understand remove() function.

solution

solution
10)Program to understand rename() function.

solution

solution

11) Program to understand ftell() function.

solution
12)Program to understand fseek() function.

solution
13)Program to understand rewind() function.

solution