fork download 
  1. import java.util.*;
  2.  
  3. class CultureCaseConversionIssues {
  4.      public static void main(String []args) {
  5.         System.out.println("Invariant: ");
  6.         Locale.setDefault(new Locale("en", "EN"));	
  7.         System.out.println("UPPER_CHAR(i) == " + Character.toUpperCase('i'));
  8.         System.out.println("UPPER_STR(i) == " + "i".toUpperCase());
  9.         System.out.println();
  10.  
  11.         System.out.println("Turkish: ");
  12.         Locale.setDefault(new Locale("tr", "TR"));
  13.         System.out.println("LOWER_CHAR(I) == " + Character.toLowerCase('I'));
  14.         System.out.println("LOWER_STR(I) == " + "I".toLowerCase());
  15.         System.out.println("UPPER_CHAR(i) == " + Character.toUpperCase('i'));
  16.         System.out.println("UPPER_STR(i) == " + "i".toUpperCase());
  17.         System.out.println();
  18.  
  19.         System.out.println("Deutsch: ");
  20.         Locale.setDefault(new Locale("de", "DE"));
  21.         System.out.println("UPPER_CHAR(ß) == " + Character.toUpperCase('ß'));
  22.         System.out.println("UPPER_STR(ß) == " + "ß".toUpperCase());
  23.         System.out.println();
  24.  
  25.         System.out.println("Russian: ");
  26.         Locale.setDefault(new Locale("ru", "RU"));
  27.         System.out.println("UPPER_CHAR(а) == " + Character.toUpperCase('а'));
  28.         System.out.println("UPPER_STR(а) == " + "а".toUpperCase());
  29.      }
  30. }
Success #stdin #stdout 0.1s 28004KB
comments (?)
stdin 
Standard input is empty
stdout 
Invariant: 
UPPER_CHAR(i) == I
UPPER_STR(i) == I

Turkish: 
LOWER_CHAR(I) == i
LOWER_STR(I) == ı
UPPER_CHAR(i) == I
UPPER_STR(i) == İ

Deutsch: 
UPPER_CHAR(ß) == ß
UPPER_STR(ß) == SS

Russian: 
UPPER_CHAR(а) == А
UPPER_STR(а) == А
https://ideone.com/IvtDOd
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!