The length is just text.length(). Checking for a \0 terminator is a C-ism. Java doesn't terminate strings with NUL.
W3Schools
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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
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Java String length() Method - GeeksforGeeks
December 23, 2024 - The length() method returns the number of characters present in the string.
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Java Program to Find Length of String
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JAVA PROGRAM TO FIND LENGTH OF STRING WITHOUT USING LENGTH() METHOD ...
How do you find the length of a String in Java?
In Java, you find the length of a String using the length() method. It returns an integer representing the number of characters, including spaces and symbols, in the string. Example: str.length();
upgrad.com
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String length() Method in Java – Syntax, Example & Use Cases
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.
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Explore String Length Java: Key Methods & Use Cases
How do you find the length of a String array in Java?
To find the number of elements in a String array, use the .length property without parentheses. Example: stringArray.length; This counts the number of elements, not characters.
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String length() Method in Java – Syntax, Example & Use Cases
Codecademy
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Java | Strings | .length() | Codecademy
June 22, 2025 - Returns the length or number of characters in a string.
TheServerSide
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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
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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
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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)
Upgrad
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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().
Upgrad
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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.
TheServerSide
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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
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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.
iO Flood
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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.
Syntaxdb
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String Length in Java - SyntaxDB - Java Syntax Reference
String length returns the number of characters in a string.
Simplilearn
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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.
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Software Testing Help
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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
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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.
Oracle
docs.oracle.com › javase › 8 › docs › api › java › lang › String.html
String (Java Platform SE 8 )
July 21, 2026 - Constructs a new String by decoding the specified subarray of bytes using the specified charset. The length of the new String is a function of the charset, and hence may not be equal to the length of the subarray.
BeginnersBook
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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.
Scaler
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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.
DataFlair
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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.
W3Resource
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Java String: length Method - w3resource
August 19, 2022 - Java String length Method: The length() method is used to get the length of this string. The length is equal to the number of Unicode code units in the string.