To display Assamese Unicode character in  Java program follow the following steps-    1. check your JRE Home  2. change directory to  C:\Program Files\Java\jdk1.6.0_10\jre\lib (according to default java directory)  generally within each installed JDK version there is a JRE directory. Go to that directory.  another JRE directory is generally in C:\Program Files\JRE.. no need to modify this directory  3. wherever the JRE, go to that, which one is within JDK  4. there you find the following files   ../JRE/lib/fontconfig.OS.Version.properties  ../JRE/lib/fontconfig.OS.Version.bfc  ../JRE/lib/fontconfig.OS.properties  ../JRE/lib/fontconfig.OS.bfc  ../JRE/lib/fontconfig.Version.properties  ../JRE/lib/fontconfig.Version.bfc  ../JRE/lib/fontconfig.properties  ../JRE/lib/fontconfig.bfc   There may be some less number of file, no problem, 3 will get minimum 3 files among the above listed files with extension .src  5. copy  fontconfig.properties.src  and past it in the same directory  6. rename ...