Class Fields0 

java.lang.Object
   |
   +----Fields0
public class Fields0
extends Object
Demonstrate the ability to scan a file, find a part of the file and extract and store unique fields from the file. Also shows documentation in javadoc form.

Author:
David G. Green

Constructor Index

o Fields0()

Method Index

o findField(String)
try to find a field in the list of known fields
o getLine()
get a line from the input stream
o main(String[])
main program
o printFields()
print out the known fields
o seekStartOfRecord()
seek the start of a record in the input stream
o updateFields()
read the current record, extract the field, and update the list of known fields

Constructors

o Fields0 
 public Fields0()

Methods

o main 
 public static void main(String args[]) throws IOException
main program

o seekStartOfRecord 
 public static boolean seekStartOfRecord() throws IOException
seek the start of a record in the input stream

Returns:
s whether or not start of record is found
o getLine 
 public static String getLine() throws IOException
get a line from the input stream

o updateFields 
 public static void updateFields() throws IOException
read the current record, extract the field, and update the list of known fields

o printFields 
 public static void printFields()
print out the known fields

o findField 
 public static int findField(String fld)
try to find a field in the list of known fields

Parameters:
fld - - the field to try to find
Returns:
s index into list if found or -1 if not found