Java String toLowerCase() with examples
The java string toLowerCase() method converts all characters of the string into lowercase letter. There are two types of toLowerCase() method.
Signature:
public String toLowerCase(Locale loc) and public String toLowerCase() Parameter: loc- locale value to be applied. converts all the characters into lowercase using the rules of given Locale. Returns: returns string in lowercase letter.
// Java program to demonstrate // working of toLowerCase() method class Gfg { public static void main(String args[]) { String s = "Welcome! to Geeksforgeeks Planet." ; // converting string s to lowercase letter String gfg1 = s.toLowerCase(); System.out.println(gfg1); } } |
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Output:
welcome! to geeksforgeeks planet.
// Java program to demonstrate // working of Locale class in // toLowerCase() method import java.util.Locale; class Gfg { public static void main(String args[]) { String s = "I Know YOI Bui You Don't Know ME." ; // Locales with the language "tr" for TURKISH //"en" for ENGLISH is created Locale TURKISH = Locale.forLanguageTag( "tr" ); Locale ENGLISH = Locale.forLanguageTag( "en" ); // converting string s to lowercase letter // using TURKISH and ENGLISH language String gfg2 = s.toLowerCase(TURKISH); String gfg3 = s.toLowerCase(ENGLISH); System.out.println(gfg2); System.out.println(gfg3); } } |
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Output:
? know yo? bui you don't know me. i know yoi bui you don't know me.
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