Dec 23, 2024 · Java toLowerCase(Locale loc) Converts all the characters into lowercase using the rules of the given Locale. Syntax of toLowerCase() public String toLowerCase (Locale loc) Parameters: Locale value to be applied. Return Value: Returns a …

Convert a string to upper case and lower case letters: String txt = "Hello World"; System.out.println(txt.toUpperCase()); System.out.println(txt.toLowerCase()); Try it Yourself »

Oct 23, 2016 · I want to convert the first character of a string to Uppercase and the rest of the characters to lowercase. How can I do it? Example: String inputval="ABCb" OR "a123BC_DET" or "aBcd" String out...

Oct 29, 2010 · What is the most efficient way to make the first character of a String lower case? I can think of a number of ways to do this: Using charAt() with substring() String input = "SomeInputString"; String output = Character.toLowerCase(input.charAt(0)) + (input.length() > 1 ? input.substring(1) : ""); Or using a char array

Apr 11, 2025 · The method toLowerCase() converts all characters of a String to lower case. If no Locale is passed to the method, then it will use the default Locale . However, it may produce unexpected results if it’s run on a system whose default Locale is different.

toLowerCase() Return Value. returns a string with all upper case letters converted to lowercase letters

The simplest way to convert a string to lower case in Java is by using the built-in `toLowerCase()` method of the `String` class. This method returns a new string with all characters converted to lower case according to the default locale.

Jun 21, 2023 · The toLowerCase() method is a built-in method in Java that belongs to the String class. It is used to convert all the characters in a string to lowercase letters. This method returns a new string with the converted lowercase characters while leaving the original string unchanged.

Jul 23, 2019 · Java String toLowerCase() method is used to convert the string characters to the lower case. It’s a locale-sensitive operation. It’s recommended to use ROOT locale for locale insensitive case conversion.

In Java, String toLowerCase() method converts all the characters in the string to lowercase. In this tutorial, you will learn about String toLowerCase() method, its syntax, and usage with examples.