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cd fallback
sudo cp /usr/share/fonts/truetype/arphic/uming.ttc /usr/lib/jvm/java
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import java.security.spec.*;  
 
class MD5_test {  
 public final static String MD5(String s) {  
  char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',  
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