How do you write a program to join two strings?

Answer 1

#include<stdio.h>

#include<conio.h>

main()

{

char s1[20],s2[20];

printf("enter first string");

scanf("%s",s1);

printf("enter second string");

scanf("%s",s2);

string_concatenate(&s1,&s2);

}

count_characters(char *x)

{

int i=0, count=0;

for(i=0;*(x+i)!='\0';i++)

count++;

return count;

}

string_concatenate(char *s1,char *s2)

{

int i,j;

char s3[50];

for(i=0;i

s3[i]=s1[i];

for(j=0;j

s3[i+j]=s2[j];

s3[i+j]=s2[j];

printf("%s",s3);

getch();

}

Answer 2

Your homework, innit?

const char *from1= "Part1";

const char *from2= "Part2";

char *to= malloc (256);

char *q= to;

while (*q++ = *from1++);

--q;

while (*q++ = *from2++);

Answer 3

Most high-level languages support concatenation of strings using the '+' operator. For example, in C++ you'd use the following:

#include<string>

std::string a = "Hello";

std::string b = "world";

std::string c = a + " " + b; // e.g., c = "Hello world"

Answer 4

import java.io.*;

class concate

{

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

{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

System.out.println("Enter the string s1:");

String s1=br.readLine();

System.out.println("Enter the string s2:");

String s2=br.readLine();

String s3=s1.concat(s2);

System.out.println("The concate string is :"+s3);

}

}

Answer 5

String can be added to together with the plus symbol much like an int.

String a = "I like to eat";

String b = " peanut butter";

String c = a + b;

'c' will now equal "I like to eat peanut butter"

You could also use a + " peanut butter"; and not bother having a three strings

Here's one more example:

String a = "I like to eat";

a += " cheese,";

a += " bacon,";

a += " and jelly beans.";

String a will now equal "I like to eat cheese, bacon, and jelly beans." Afterwards if you use System.out.println(a);it will print that full sentence on screen.

Answer 6

In C and C++, to concatenate two strings without using library functions...

char* mystrcat (char* dest, char* src) {

char* savedest = dest;

while (*dest++ != '\0);

dest--;

while ((*dest++ = *src++) != '\0);

return savedest;

}

Note: Just like the library function, this routine does not verify that there is adequate space at dest - that is your responsibility.

Answer 7

You can use functions like strcat or sprintf, or do it manually:

q= to;

p= from1-1;

while (*++p) *q++= *p;

p= from2-1;

while (*++p) *q++= *p;

*q= '\0';

Answer 8

while(str1[i]!='')

{

i++;

}

while(str2[j]!='')

{

str2[j++]=str1[i++];

}

str2[j]='';

puts(str2);