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To use the token approach, you insert a stream tokenizer between your input-stream reader and your program. You do not need a buffered reader.
To create a stream tokenizer connected to an input-stream reader, you use an
expression that creates an instance of the StreamTokenizer class
for that input-stream reader. In the following statement, for example, you
declare a StreamTokenizer variable, and create a
StreamTokenizer instance from a InputStreamReader instance:
Input-stream reader instance --*
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StreamTokenizer tokens = new StreamTokenizer(reader);
StreamTokenizer instances are called either stream tokenizers
or just tokenizers.