Description

* The number of character in a string is length of string.
* Blank spaces also counted as character in string.

C/C++

/* C program to find length of string */
//Save it as StringLength.c

#include<stdio.h>
#include<string.h>
int main(){

    int i=0, length;
    char str[100];

    printf("Enter a string : ");
    gets(str);

    //Loop run untill null character found
    while(str[i]!='\0'){
        i++;
    }

    length = i;

    printf("The length of string %s is %d",str,length);

    //The length of string using library function
    //It is defined in string.h

    int len = strlen(str);

    printf("\nThe length of string %s is %d",str,len);

    return 0;

Input:
Enter a string : Virat Kohli

Output:
The length of string Virat Kohli is 11
The length of string Virat Kohli is 11

Java

/* Java program to find length of string */
//Save it as StringLength.java

import java.io.*;
import java.util.Scanner;
public class StringLength {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        System.out.println("Enter a string : ");

        String str = scanner.nextLine();

        int length = str.length();

        System.out.println("The length of string " + str + " is " + length);

    }
}

Input:
Enter a string : 
Virat Kohli

Output:
The length of string Virat Kohli is 11

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