The length is just text.length(). Checking for a \0 terminator is a C-ism. Java doesn't terminate strings with NUL.
W3Schools
w3schools.com › java › ref_string_length.asp
Java String length() Method
Java Examples Java Videos Java Compiler Java Exercises Java Quiz Java Code Challenges Java Practice Problems Java Server Java Syllabus Java Study Plan Java Interview Q&A ... The length() method returns the length of a specified string.
GeeksforGeeks
geeksforgeeks.org › java › java-string-length-method-with-examples
Java String length() Method - GeeksforGeeks
December 23, 2024 - The length() method returns the number of characters present in the string.
01:48
Java String length() method | How to get a String length in Java?
01:33
Java String length() method | Java String length() Method With ...
04:10
Java String Tutorial: How to Use .length() and .charAt() ...
Java Program to Find Length of String
03:40
Explain length() method of String class in Java (Core Java Interview ...
03:19
JAVA PROGRAM TO FIND LENGTH OF STRING WITHOUT USING LENGTH() METHOD ...
Can I calculate string length Java without using .length()?
Yes, methods like toCharArray().length or iterating with a loop offer alternatives. Use StringBuilder.length() for mutable sequences in performance-sensitive cases. These techniques are useful for measuring content within buffers or memory-restricted environments. Select an approach based on the context and complexity of your string manipulation.
upgrad.com
upgrad.com › home › blog › software development › what is string length java? methods to find string length with examples
Explore String Length Java: Key Methods & Use Cases
How does null handling affect string length Java operations?
Calling .length() on a null string causes a NullPointerException, halting program execution. Using StringUtils.length() safely returns zero for null strings. This improves stability in form validation, batch processing, and data import pipelines. Handle nulls explicitly to avoid runtime crashes in production environments.
upgrad.com
upgrad.com › home › blog › software development › what is string length java? methods to find string length with examples
Explore String Length Java: Key Methods & Use Cases
Are arrays and strings interchangeable when checking length in Java?
Strings use .length() as a method, while arrays use .length as a final field. Using .length on strings leads to a compile-time error. Misunderstanding this can disrupt logic in Java collections or custom class implementations. Always verify the object type before performing any string length Java operations.
upgrad.com
upgrad.com › home › blog › software development › what is string length java? methods to find string length with examples
Explore String Length Java: Key Methods & Use Cases
Codecademy
codecademy.com › docs › java › strings › .length()
Java | Strings | .length() | Codecademy
June 22, 2025 - Returns the length or number of characters in a string.
TheServerSide
theserverside.com › blog › Coffee-Talk-Java-News-Stories-and-Opinions › Find-Java-String-Length-Example-Tutorial
How to find the length of a Java String
Java's String.length() method returns the number of UTF-16 code units stored in a string.
Published: August 14, 2026
Programiz
programiz.com › java-programming › library › string › length
Java String length() | Programiz
March 12, 2024 - The length is equal to the number of characters (code units) in the string. class Main { public static void main(String[] args) { String str1 = "Java"; String str2 = ""; System.out.println(str1.length()); // 4 System.out.println("Java".length()); ...
Top answer 1 of 4
1
The length is just text.length(). Checking for a \0 terminator is a C-ism. Java doesn't terminate strings with NUL.
2 of 4
0
As stated in this SO,
Strings in Java do NOT have a NULL terminator as in C, so you need to use the length() method to find out how long a string is.
Therefore you can change the condition to
Use with AIwhile (i < text.length())
(If your goal really is to get the length of a string, your function therefore is redundant, as it is already built in)
TheServerSide
theserverside.com › blog › Coffee-Talk-Java-News-Stories-and-Opinions › Java-length-vs-length-Whats-the-difference
Java length vs length(): What's the difference?
Notice how we have switched from talking about Java’s length() method to Java’s length property. From the syntax standpoint, the String’s length method has round brackets, while the array’s length property does not.
Published: February 3, 2026
Tutorialspoint
tutorialspoint.com › java › lang › string_length.htm
Java - String length() Method
The strings are immutable in Java their values cannot be changed after they are created. Note − The length of the string is nothing but just a count of the characters that are present in the given string, it counts the white spaces as well along with the string characters.
Upgrad
upgrad.com › home › blog › software development › what is string length java? methods to find string length with examples
Explore String Length Java: Key Methods & Use Cases
July 6, 2026 - The .length() method accurately returns the number of char values, which aligns with the expected visible character count here. Also Read: Exploring Java Architecture: A Guide to Java's Core, JVM and JDK Architecture · In Java, you can extract a specific segment of a string using the .substring() method and measure its length using .length().
iO Flood
ioflood.com › blog › length-of-string-java
How to Find Length of String Java | Effective Methods
July 8, 2024 - Another thing to note is that the length() method will throw a NullPointerException if you try to use it on a null string. Always ensure that your string is not null before trying to find its length. When working with strings in Java, you may come across different types of characters, including Unicode characters.
Upgrad
upgrad.com › home › tutorials › software & tech › string length in java
String length() Method in Java – Syntax, Example & Use Cases
April 30, 2025 - In Java, String is backed by a character array internally. The length of the String is simply the size of that internal array.
Syntaxdb
syntaxdb.com › ref › java › string-length
String Length in Java - SyntaxDB - Java Syntax Reference
String length returns the number of characters in a string.
Simplilearn
simplilearn.com › home › resources › software development › string length in java: determining a string’s length
String Length in Java: Determining a String’s Length
September 13, 2022 - Just like the name suggests, string length in java method returns the length of this string. But is that it? Learn about this method with some examples now.
Address: 5851 Legacy Circle, 6th Floor, Plano, TX 75024 United States
Software Testing Help
softwaretestinghelp.com › home › java › java string length() method with examples
Java String length() Method With Examples
April 1, 2025 - When you are going to compute the length of a String which has whitespace, special characters, etc., then they will be treated as a character. Every single character has size = 1. Q #3) How to create a String of specified size in Java?
Educative
educative.io › answers › how-to-find-the-length-of-a-string-in-java
How to find the length of a string in Java
To calculate the length of a string in Java, you can use an inbuilt length() method of the Java string class.
BeginnersBook
beginnersbook.com › 2013 › 12 › java-string-length-method-example
Java String length() Method with examples
This method counts the number of characters in a String including the white spaces and returns the count. ... This method returns an integer number which represents the number of characters (length) in a given string including white spaces.
Vultr Docs
docs.vultr.com › java › standard library › java › lang › string › length()
Java String length() - Get String Length | Vultr Docs
December 17, 2024 - The length() method in Java is a simple yet essential tool in the programming toolkit. It is part of the String class in Java and is used to determine the number of characters contained in a string.
DataFlair
data-flair.training › blogs › java-string-length-method
Java String length() Method with Examples - DataFlair
May 18, 2026 - The length() method returns an int value, which is the number of Unicode code units in the string. This value ranges from 0 for an empty string to 2,147,483,647 for a string containing the maximum number of Unicode code units.
Scaler
scaler.com › home › topics › java string length() method
Java String length() Method - Scaler Topics
March 14, 2024 - Integer—This method returns the string length in Java, which is the total number of characters present in the String object.
Baeldung
baeldung.com › home › java › java string › java’s string.length() and string.getbytes().length
Java’s String.length() and String.getBytes().length | Baeldung
July 6, 2024 - As the test above shows, first, we tested with the word “beautiful” in German (“schöne”), and then we took another string, which was “beautiful” in Chinese (“美丽”). It turned out that String.length() and String.getBytes().length yielded different values in both tests.