## Q. Program to find length of given string.

String :- The string is defined as an array of characters. The difference between a character array and a string is the string ending with a special character '\0'.

For Eg :- If the string is "hello", the output is 5.

## Algorithm to find length of string

```START
Step 1:Length = 0
Step 2: Repeat step 3 while S1 [Length] ≠ NULL
Step 3: Length = Length + 1
Step 4: Return Length
STOP
```

# Program to find length of string

• C
• C++
• Java
• Python
• C#
• PHP
• ```
#include <stdio.h>
#include <string.h>
int main()
{
char a[100]="Letsfindcourse";
int length;
for (int i = 0; a[i] != '\0'; i++)
lenght += 1;
printf("Length of the string = %d\n", length);
return 0;
}
```
```#include<iostream>
using namespace std;
int main()
{
string str = "Letsfindcourse";
// you can also use str.length()
cout << "Length of the string = " << str.size();
return 0;
}
```
```public class Main {
public static void main(String[] args) {
//declare the String as an object S1 S2
String S1 = "Letsfindcourse";
//length() method of String returns the length of a String S1.
int length = S1.length();
System.out.println("Length of the string = " + length);
}
}
```
```str1 = "Letsfindcourse"
print("Length of the string =",len(str1))
```
```using System;
public class LFC
{
public static void Main()
{
string str1="Letsfindcourse"; /* Declares a string of size 100 */
int l= 0;
foreach(char chr in str1)
{
l += 1;
}
Console.Write("Length of the string = {0}\n\n", l);
}
}
```
```\$str1=strlen("Letsfindcourse");
echo "Length of the string = \$str1";
```
```#include <stdio.h>
#include <string.h>
int main()
{
char a[100]="Letsfindcourse";
int length;
length = strlen(a);
printf("Length of the string = %d\n", length);
return 0;
}
```

#### Output

```Length of the string = 14
```

## Recommended Programs

Program to check if string is anagram or not
Program to check substring of a string