How to Find String Length in Java Program

Here you will get program code to find string length in java program by using 2 different ways.

1. using length() method

2. without using length() method

Program to Find String Length in Java Program using length()

import java.util.Scanner;

public class FindStringLength{

public static void main(String[] args) {

String str;

Scanner in = new Scanner(System.in);

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

str = in.nextLine();

// find length using length() method

int length = str.length();

// Print length of string

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

}

Output

C:\CodeRevise\java>javac FindStringLength.java

C:\CodeRevise\java>java FindStringLength
Enter a string : Coderevise.com
The length of the string is: 14

import java.util.Scanner;

public class FindStringLength{

public static void main(String[] args) {

String str;

int length=0, index=0;

Scanner in = new Scanner(System.in);

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

str = in.nextLine();

// find String length

while (index < str.length()) {

length++;

index++;

}

// Print length of string

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

}

Output

C:\CodeRevise\java>javac FindStringLength.java

C:\CodeRevise\java>java FindStringLength
Enter a string : Welcome to Code Revise
The length of the string is: 22