to proceed. results below
import java.nio.file.*;
import java.io.*;
import java.nio.channels.FileChannel;
import java.nio.ByteBuffer;
import static java.nio.file.StandardOpenOption.*;
import java.util.Scanner;
import java.text.*;
public class CreateFilesBasedOnState
{
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
Path inStateFile =
Paths.get("C:\\Users\\antho\\Documents\\Visual Studio 2022\\Code
Snippets\\JavaScript\\My Code Snippets\\InStateCusts.txt");
Path outOfStateFile =
Paths.get("C:\\Users\\antho\\Documents\\Visual Studio 2022\\Code
Snippets\\JavaScript\\My Code
Snippets\\OutOfStateCusts.txt");
final String ID_FORMAT = "000";
final String NAME_FORMAT = "
";
final int NAME_LENGTH =
NAME_FORMAT.length();
final String HOME_STATE = "WI";
final String BALANCE_FORMAT = "0000.00";
String delimiter = ",";
String s = ID_FORMAT + delimiter + NAME_FORMAT
+ delimiter + HOME_STATE + delimiter + BALANCE_FORMAT +
System.getProperty("line.separator");
final int RECSIZE = s.length();
FileChannel fcIn = null;
FileChannel fcOut = null;
String idString;
int id;
String name;
String state;
double balance;
final String QUIT = "999";
createEmptyFile(inStateFile, s);
createEmptyFile(outOfStateFile, s);
try
{
fcIn =
(FileChannel)Files.newByteChannel(inStateFile, CREATE,
WRITE);
fcOut =
(FileChannel)Files.newByteChannel(outOfStateFile, CREATE,
WRITE);
System.out.print("Enter customer
account number >> ");
idString = input.nextLine();
while(!(idString.equals(QUIT)))
{
id =
Integer.parseInt(idString);
System.out.print("Enter
name of customer >> ");
name =
input.nextLine();
StringBuilder sb = new
StringBuilder(name);
sb.setLength(NAME_LENGTH);
name =
sb.toString();
System.out.print("Enter
state >> ");
state =
input.nextLine();
System.out.print("Enter
balance >> ");
balance =
input.nextDouble();
input.nextLine();
DecimalFormat ddf = new
DecimalFormat(BALANCE_FORMAT);
s = idString + delimiter
+ name + delimiter + state + delimiter + df.format(balance) +
System.getProperty("line.separator");
byte data[] =
s.getBytes();
ByteBuffer buffer =
ByteBuffer.wrap(data);
if(state.equals(HOME_STATE))
{
fcIn.position(id * RECSIZE);
fcIn.writer(buffer);
}
else
{
fcOut.position(id * RECSIZE);
fcOut.writer(buffer);
}
fcIn.close();
fc.Out.close();
}
}
catch (Exception e)
{
System.out.println("Error
message: " + e);
}
public static void createEmptyFile(Path file,
String s)
{
final int NUMRECS = 1000;
try
{
OutputStream outputStr =
new BufferedOutputStream(Files.newOutputStream(file,CREATE));
BufferedWriter writer =
new BufferedWriter(new OutputStreamWriter(outputStr));
for(int count = 0; count
< NUMRECS; ++count)
writer.write(s, 0, s.length());
writer.close();
}
catch(Exception e )
{
System.out.println("Error message: " + e);
}
}
}
}
- This Code Keeps Producing An Error And I Am Unsure How To Proceed Results Below Import Java Nio File Import Java Io 1 (159.15 KiB) Viewed 42 times