Definition and Usage The length() method returns the length of a specified string. Note: The length of an empty string is 0.

Dec 23, 2024 · In this article, we will see how to find the length of a string using the String length () method. Example: Important Points: The length () method returns the number of characters present in the string. Suitable for string objects but not for arrays. Can also be used for StringBuilder and StringBuffer classes. It is a public member method.

To get the number of Unicode codepoints in a String use str.codePointCount(0, str.length()) -- see the javadoc. To get the size (in bytes) of a String in a specific encoding (i.e. charset) use str.getBytes(charset).length 2.

Jul 6, 2024 · Learn how character encoding works and explore why String.length () and String.getBytes ().length can produce different results.

Jun 27, 2024 · The simplest way to find the length of a string in Java is to use the length() method of the String class, int len = str.length(); This method returns the number of characters in the string.

Apr 15, 2025 · Java program to calculate length of string – In this article, we will discuss the various methods to calculate the length of a string, str length in Java programming.

Jun 9, 2022 · Follow these steps to find the length of a String in Java: The Java String class contains a length () method that returns the total number of characters a given String contains. This value includes all blanks, spaces, and other special characters. Every …

Apr 1, 2025 · Java has an inbuilt method called length () to find the number of characters of any String. Syntax: The syntax is given as. where length () is a method to find the number of characters and returns the result as an integer. In this example, we will be covering the simplest form of Java String length () method.

Sep 11, 2022 · Java String length () method is used to find out the length of a String. This method counts the number of characters in a String including the white spaces and returns the count.

In this guide, you will learn about the String length () method in Java programming and how to use it with an example. 1. String length () Method Overview. The length () method of Java's String class returns the number of characters (including whitespace) in the specified string. - This method doesn't accept any parameters.