Even though the introduction of Unicode technically solved this problem, you can still encounter situations in which some or all of your Unicode characters will not display properly in Java programs.

CharMap is a Java 5.0 graphical (GUI) application to display Unicode characters or glyphs in text fonts, and copy those characters to the system clipboard. Its major purpose is as a visual accessory ...

The UTF-16 encoding represents all Unicode code points in a variable-length code thereby saving space, though not as much as UTF-8 encoding. With UTF-8, if a character can be represented with 1 byte ...

Java programs are written in Unicode (§3.1), but lexical translations are provided (§3.2) so that Unicode escapes (§3.3) can be used to include any Unicode character using only ASCII characters. Line ...

As a result, the Unicode Transformation Format 8 (UTF-8) encoding supports 2 31 code points, with most characters in the current Unicode character set requiring generally one or two bytes each.