c program to concatenate two strings | 2D strings examples in c | program without strcat()

Array and string programs in C

 // program to concatenate two strings without using strcat()

#include<stdio.h>

int main()

{

char string1[100],string2[100];

int i=0,j=0;

printf("enter first string");

gets(string1);

printf("enter second string");

gets(string2);

while(string1[i]!='\0')

{

i++;

}

while(string2[j]!='\0')

{

string1[i]=string2[j];

i++;

j++;

}

string1[i]='\0';

printf("the concatenated string=%s",string1);

return 0;

}

output:-

c program to concatenate two strings without strcat()

c program to count total characters present in a strings | 2D strings examples in c

Array program collection C 

/* program to store multiple strings and count  total their characters

*/

#include<stdio.h>

int main()

{

char string[5][100]={"c program","C++ code","JS code","php code","java code"};

int i,j,count;

for(i=0;i<=4;i++)

{

count=0;

for(j=0;string[i][j]!='\0';j++)

{

count++;

}

printf("the string is %s and its length is %d\n",string[i],count);

}

return 0;

}

Output:

c program to count total letters present in strings