[Biojava-l] Question regards demo/seq/TestTranslation.java

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????Hi:

Iam a newbie here.  I try to learn from demos example.  My question is the
first line immediately after main function in demos/seq/TestTranslation.java

    SymbolList randomSeq = symbol.Tools.createSymbolList(30);

Obviously it randomly create a symbol list with length 30.  But there is no
definition about symbol anywhere in the program.  I can not find
createSymbolList() in the API documentation neither.  Could anybody explain
this part to me. Thanks,

Best regards,

Weihsin Wang