practising C, C++ and JAVA programming with examples

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).

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

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WAP to store data/character in an opened file then read that character and print on screen in same program.
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3)WAP to store integers in a data file.
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WAp to read that stored integers in previuos qusetion(3).
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or
Program to understand getw() to read,and putw() to store a number in an opened file in same program.

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4)WAP to store and read data stored in a data file (q3) using fprintf() and fscanf() function.
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5)WAP to store roll,name and percentage of some students in a data file.
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WAP to read roll,name and percentage of some students from a data file (previous question).

or
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WAP to store and read roll,name and percentage of some students to /from a data file using same program.
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6) program to store data (employee name and salary) in a data file using fwrite().

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

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

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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.
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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.

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9)Program to understand remove() function.

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10)Program to understand rename() function.

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11) Program to understand ftell() function.

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12)Program to understand fseek() function.

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13)Program to understand rewind() function.

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Pointer programs:

Pointer programs:

1)WAP to show use of pointer.
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2)WAP to show a character pointer

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3)WAP to show pointer for increment and decrement operator.

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4)WAp to show sum of two numbers using pointer

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5)WAp to show difference of two numbers using pointer

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6)WAp to show use of pointer in multiplication and division.

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7)WAP to show comparison of pointers.

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8WAP to know array as pointer.

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9)WAP to know array of pointers.

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10)WAP to understand call by value and call by address.

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11)WAP to input 20 numbers and pick the greatest one using pointer.

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12)WAP to find factorial value of a number using pointer.

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13)WAP to swap two numbers using pointer.

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14)WAP to sort 10 numbers using pointer.
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15)WAP to search a number in given list of numbers.

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16)WAP to find sum and average of 10 numbers using pointer.

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17)WAp to understand pointer's pointer.

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18)WAP to understand pointer passed to function.
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WAP to pass array to function.

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WAP to count total length of a string using pointer pass to function
or
program to pass string to function.
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WAP to reverse a string using pointer. Pass pointer to function.
or
Program to pass string to function.
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program to copy a string to another using pointer. Pass string as pointer.
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Pass string to function.

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19)WAP to count total number of vowels ,consonants,spaces in a string using pointer.

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20) WAp to reverse a string using pointer.

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21) program to use 2d array/string to display address and values.

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22)WAP/program to input elements of array and display them using pointer.

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23)WAP to input a string and to print its address(character's) with its value.

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struct,typedef and union related program :

struct programs :
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1.)WAp to initialize data with struct.
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2)WAP to input name,address and roll of a student and display that using struct.
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3)WAP to know total memory occupied by struct using size of struct concept.

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4)WAP to input name,address and roll number of some students using struct/ array of struct.

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5)WAP read 10 students data (roll, name,class and marks in 5 subjects) and display that using struct with percentage.

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6)Write a program to input student's name, address and class. Now display that in sorted order on the basis of name.

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7)Program to understand concept of nested structure of struct.
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8)wap to find sum of two distances measured in feet and inch using function.
(pass struct as parameter in function)

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9)program to add two times given in hrs,mm and ss using struct

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10)WAP to enter student id, student name and address for any 10 students. Then search a data and its location.

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union:-

1)Write a program to initialize union.
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2) Write a program show use of union.
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3)program to show total bytes used by union ,using sizeof().

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enum data type:

1) program to know enum data type.
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2) program to understand enum using loop.

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typedef data type:

1) WAP to understand concept of typedef.

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2)WAP to understand typedef for struct.

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3)wap to find sum of two distances measured in feet and inch using function.

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Function related programs:

programs using function with no arguments and no return values.
click the link.
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1) WAP to get area of circle (pi*R*R) using user defined function circle().

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2)WAP to print greatest number between two numbers using function.

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3)WAP to print smallest number among three numbers using function.

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4)WAP to know a number is even or odd using function.

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5)WAP to know a number is positive or negative or zero using function.

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6)WAP to generate series 1,2,3,4,5,.............100 using function

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7)WAP to get sum of 1,2,3,4,5,.............100 using function.

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8)WAP to get factorial value of a number using function.

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9)WAP to get reverse of a number using function.

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10)WAP to get Fibonacci series 1,1,2,3,5,8,.... 20th term.

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11) WAp to know a number is prime or composite or not using function.

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12)WAP to get square root of a number using function.

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13)WAp to display all even numbers lying 1 and 200 using function.

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14)wap to print multiplication table of a number using function

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15)wap to find factorial value of a number using function.

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16)WAp to find value of y raised to x using function.

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17)WAP to get length of string using function

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18)Write a program to reverse a a string using function.

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Function types:-

Function with no arguments and no return values.

Function with no arguments and returning some values.

Function with arguments and returning no values.

Function with arguments and return values.

program to get area of circle using function named circle()

// program to get area of circle using function named circle()
#include<stdio.h> //header file
void circle(); // function prototype/declaration with return type zero.
int main() //main function
{
circle(); // function calling. you can call it as many as you want.
return 0;
}
void circle() // function body line ; also called function definition
{
float radius; // variable declaration
float area; //variable declaration
printf("enter radius of circle\n"); // displays message to input data
scanf("%f",&radius); // gets data from user.
area=3.14*radius*radius; // calculates result stores in area.
printf("the area is=%f\n",area); // displays output
}
/* here we have used top down approach. i.e calling from top and writing its body line down.
we can also reverse the process.*/

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or
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// program to get area of circle using function named circle(). we use here bottom up technique
#include<stdio.h> //header file
// function prototype/declaration is not needed
void circle() // function body line/definition
{
float radius; // variable declaration
float area; //variable declaration
printf("enter radius of circle\n"); // displays message to input data
scanf("%f",&radius); // gets data from user.
area=3.14*radius*radius; // calculates result stores in area.
printf("the area is=%f\n",area); // displays output
}
int main() //main function
{
circle(); // function calling. you can call it as many as you want.
return 0;
}
// this (above method is now obsolete. if you want that you can use that. mostly we use top down.

wap to initialize strings and display them

using codeblock
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// initialization of strings
#include <stdio.h> // header file

int main() // main function
{
char strings[5][5]={"RAM","sita","Hary","Niraj"};// initialization of 4 strings with 2 dimensional array
int i; // variable declaration
for(i=0;i<=3;i++) // loop which executes 4 times because we have taken 4 strings so.
{
printf("%s\n",strings[i]); //display of strings
}
return 0; // return statement
}

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using turboc++

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// initialization of strings

#include <stdio.h> // header file

#include<conio.h>

void main() // main function

{

char strings[5][5]={"RAM","sita","Hary","Niraj"};

// initialization of 4 strings with 2 dimensional array

int i; // variable declaration

for(i=0;i<=3;i++) // loop which executes 4 times because we have taken 4 strings so.

{

printf("%s\n",strings[i]); //display of strings

}

getch(); // to hold the output.

}

array with string programs

1) wap to initialize strings and display them.

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2) WAP to initialize some characters and display them.
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3)WAP to input any five names with address and display them.

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programs strings with library functions (in-built functions)

1) WAP to get /find length of string using(strlen()) function.

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2)WAP to reverse a string using strrev() function.

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3)WAP to convert string into uppercase using strupr() function.

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4)WAP to convert string into lowercase using strlwr() function

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5)WAP to copy a string using strcpy().

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6) WAP to concatenate /merge two strings using strcat() function.

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7)WAP to compare two strings using strcmp() function.

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8) wap to look for a specific character in given string using strchr() function.

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9)WAP to set all characters in the given string to the character using strset() function.

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10)WAP to find initial segment of string that consists entirely of characters from second string. using strspn() function.
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11)WAP to scan first string for the first occurrence of the substring in string second using strstr() function.

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12)WAP to search a string in given list of strings.

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without using library functions:

1) WAP to find length of string without strlen() function.

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2)WAp to reverse a string without using strrev function().

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3) WAP to convert given string into uppercase without using strupr() function.

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4) WAP to convert given string into lowercase without using strlwr() function.

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5)WAP to copy a string without using strcpy().

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6) WAP to concatenate /merge two strings without using strcat() function.

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combined programs:

1) Write a program to sort 'n' strings. (ascending order or descending order).

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2) WAP to search a string from a set of strings.

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3) WAP to know a string is Palindrome or not.

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4) WAP swap two strings.

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5) WAP to count total number of vowels in a string.

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6)WAP to count total number of consonants in a sting.

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7)WAP to count total words in a string.

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8) WAP to count particular character in a string.

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9) WAP to count total spaces in a string.

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10)WAP to count total digits present in a string.

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11)WAP to replace all white spaces with a character.

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12)WAP to count all characters after first white space.

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13)WAP to print all characters before the first space.

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practising C, C++ and JAVA programming with examples

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Data file handling related program:

Pointer programs:

struct,typedef and union related program :

9)program to add two times given in hrs,mm and ss using struct

10)WAP to enter student id, student name and address for any 10 students. Then search a data and its location.

union:-

3)program to show total bytes used by union ,using sizeof().

enum data type:

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2) program to understand enum using loop.

typedef data type:

Function related programs:

17)WAP to get length of string using function

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Function types:-

Function with no arguments and no return values.

Function with arguments and return values.

program to get area of circle using function named circle()

wap to initialize strings and display them

array with string programs

programs strings with library functions (in-built functions)

without using library functions:

combined programs:

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