s3a
February 5th, 2010, 06:14 PM
Here are my classes:
//import java.io.IOException;
//import java.io.File;
import java.util.Scanner;
import java.io.*;
public class CustomerReport
{
public static void main(String[] args) throws IOException
{
// Prompt user for and read file name
System.out.print("Enter input file name: ");
Scanner kb = new Scanner(System.in);
String filename = kb.next();
int index = 0;
BankAccount accounts[] = new BankAccount[60];
// Create a scanner object and associate it with the input file
Scanner fileScanner = new Scanner(new File(filename));
// Read id, balance, and name items from each line and record them
while(fileScanner.hasNextLine())
{
int id = fileScanner.nextInt();
double balance = fileScanner.nextDouble();
String name = fileScanner.nextLine();
if(id >= 11000 && id <= 11100 && balance >= 50.0)
{
System.out.printf("%5d %10.2f %20s\n", id, balance, name);
accounts[index] = new BankAccount(name, id, balance);
}
index++;
}
fileScanner.close();
// Prompt the user for and read the name of the error file.
filename = kb.next();
// Then, Open the error file for writing.
PrintWriter printWriter = PrintWriter(new File(filename));
//printWriter.println("Hey");
//printWriter.close();
}
}
and
public class BankAccount
{
private String name;
private int accountNumber;
private double balance;
public BankAccount(String name, int accountNumber)
{
this.name = name;
this.accountNumber = accountNumber;
balance = 0.0;
}
public BankAccount(String name, int accountNumber, double balance)
{
this.name = name;
this.accountNumber = accountNumber;
this.balance = balance;
}
private void setBalance(double balance)
{
this.balance = balance;
}
public double getBalance()
{
return balance;
}
public void setName(String name)
{
this.name = name;
}
public String getName()
{
return name;
}
public void setAccountNumber(int accountNumber)
{
this.accountNumber = accountNumber;
}
public int getAccountNumber()
{
return accountNumber;
}
public boolean deposit(double amount)
{
if(amount >= 0)
{
this.balance += amount;
return true;
}
else
return false;
}
public boolean widthdraw(double amount)
{
if(amount >= 0 && amount <= balance)
{
this.balance -= amount;
return true;
}
else
return false;
}
public String toString() // Check
{
String str = "Name: " + name + "\nAccount Number: " + accountNumber + "\nBalance: " + balance;
return str;
}
public boolean equals(Object obj) // Check
{
if(this == obj)
return true;
if(obj == null)
return false;
if(this.getClass() != obj.getClass())
return false;
boolean result;
BankAccount bankAccount = (BankAccount)obj;
boolean haveSameName = this.getName().equals(bankAccount.getName());
boolean haveSameBalance = this.getBalance() == bankAccount.getBalance();
boolean haveSameAccount = this.getAccountNumber() == bankAccount.getAccountNumber();
if(haveSameName && haveSameBalance && haveSameAccount)
result = true;
else
result = false;
return result;
}
}
and here is the input file:
11040 593.25 Louis Wilson
11065 6.00 Tjay Kervin
11083 426.00 Nicolas Phillips
11059 3.50 Ken Belanger
11045 711.25 Ahmad Kirk
10132 19.00 John Miller
11043 229.75 Daniel Fraser
11014 320.50 Mario Pappas
11014 864.25 Nicolas Wallner
11085 228.75 Kevin Ward
11071 883.00 Corey Blackhawk
10170 992.50 Luca Kirk
11085 257.50 Nadezda Kervin
11071 630.00 Nicolas Kim
11032 95.50 Deniz Cooke
11054 6.00 Karen Smith
11068 710.50 Ivaylo Wallner
11073 862.50 Ken Nowak
11031 510.25 Ahmad Kirk
11079 410.50 Luca Blackhawk
10132 9.00 Omar Wallner
11084 256.25 Shahrad Wallner
11067 630.50 Joseph Gorski
11080 402.00 karen Yavorov
11065 401.25 Shawn Rowe
11070 277.25 Shahrad Gorski
11088 322.50 Corey Kirk
11043 6.50 David Boucher
11015 509.00 Nicolas Ropiak
11065 932.50 Omar Faraci
10170 864.50 Shahrad Kirk
11072 278.00 Kerry Smith
11015 864.50 Jacob Gorski
11060 3.75 Corey Wallner
11054 327.25 Taimoor Boucher
11038 409.00 Shahrad Fraser
11027 229.00 Nadezda Garrett
11031 382.00 Corey Ward
11087 277.25 Ahmad Blackhawk
11042 408.25 David Smith
My error message:
javac CustomerReport.java
CustomerReport.java:43: cannot find symbol
symbol : method PrintWriter(java.io.File)
location: class CustomerReport
PrintWriter printWriter = PrintWriter(new File(filename));
^
1 error
I really can't see the mistake is so I was hoping someone could point it out to me please.
Any help would be appreciated!
Thanks in advance!
//import java.io.IOException;
//import java.io.File;
import java.util.Scanner;
import java.io.*;
public class CustomerReport
{
public static void main(String[] args) throws IOException
{
// Prompt user for and read file name
System.out.print("Enter input file name: ");
Scanner kb = new Scanner(System.in);
String filename = kb.next();
int index = 0;
BankAccount accounts[] = new BankAccount[60];
// Create a scanner object and associate it with the input file
Scanner fileScanner = new Scanner(new File(filename));
// Read id, balance, and name items from each line and record them
while(fileScanner.hasNextLine())
{
int id = fileScanner.nextInt();
double balance = fileScanner.nextDouble();
String name = fileScanner.nextLine();
if(id >= 11000 && id <= 11100 && balance >= 50.0)
{
System.out.printf("%5d %10.2f %20s\n", id, balance, name);
accounts[index] = new BankAccount(name, id, balance);
}
index++;
}
fileScanner.close();
// Prompt the user for and read the name of the error file.
filename = kb.next();
// Then, Open the error file for writing.
PrintWriter printWriter = PrintWriter(new File(filename));
//printWriter.println("Hey");
//printWriter.close();
}
}
and
public class BankAccount
{
private String name;
private int accountNumber;
private double balance;
public BankAccount(String name, int accountNumber)
{
this.name = name;
this.accountNumber = accountNumber;
balance = 0.0;
}
public BankAccount(String name, int accountNumber, double balance)
{
this.name = name;
this.accountNumber = accountNumber;
this.balance = balance;
}
private void setBalance(double balance)
{
this.balance = balance;
}
public double getBalance()
{
return balance;
}
public void setName(String name)
{
this.name = name;
}
public String getName()
{
return name;
}
public void setAccountNumber(int accountNumber)
{
this.accountNumber = accountNumber;
}
public int getAccountNumber()
{
return accountNumber;
}
public boolean deposit(double amount)
{
if(amount >= 0)
{
this.balance += amount;
return true;
}
else
return false;
}
public boolean widthdraw(double amount)
{
if(amount >= 0 && amount <= balance)
{
this.balance -= amount;
return true;
}
else
return false;
}
public String toString() // Check
{
String str = "Name: " + name + "\nAccount Number: " + accountNumber + "\nBalance: " + balance;
return str;
}
public boolean equals(Object obj) // Check
{
if(this == obj)
return true;
if(obj == null)
return false;
if(this.getClass() != obj.getClass())
return false;
boolean result;
BankAccount bankAccount = (BankAccount)obj;
boolean haveSameName = this.getName().equals(bankAccount.getName());
boolean haveSameBalance = this.getBalance() == bankAccount.getBalance();
boolean haveSameAccount = this.getAccountNumber() == bankAccount.getAccountNumber();
if(haveSameName && haveSameBalance && haveSameAccount)
result = true;
else
result = false;
return result;
}
}
and here is the input file:
11040 593.25 Louis Wilson
11065 6.00 Tjay Kervin
11083 426.00 Nicolas Phillips
11059 3.50 Ken Belanger
11045 711.25 Ahmad Kirk
10132 19.00 John Miller
11043 229.75 Daniel Fraser
11014 320.50 Mario Pappas
11014 864.25 Nicolas Wallner
11085 228.75 Kevin Ward
11071 883.00 Corey Blackhawk
10170 992.50 Luca Kirk
11085 257.50 Nadezda Kervin
11071 630.00 Nicolas Kim
11032 95.50 Deniz Cooke
11054 6.00 Karen Smith
11068 710.50 Ivaylo Wallner
11073 862.50 Ken Nowak
11031 510.25 Ahmad Kirk
11079 410.50 Luca Blackhawk
10132 9.00 Omar Wallner
11084 256.25 Shahrad Wallner
11067 630.50 Joseph Gorski
11080 402.00 karen Yavorov
11065 401.25 Shawn Rowe
11070 277.25 Shahrad Gorski
11088 322.50 Corey Kirk
11043 6.50 David Boucher
11015 509.00 Nicolas Ropiak
11065 932.50 Omar Faraci
10170 864.50 Shahrad Kirk
11072 278.00 Kerry Smith
11015 864.50 Jacob Gorski
11060 3.75 Corey Wallner
11054 327.25 Taimoor Boucher
11038 409.00 Shahrad Fraser
11027 229.00 Nadezda Garrett
11031 382.00 Corey Ward
11087 277.25 Ahmad Blackhawk
11042 408.25 David Smith
My error message:
javac CustomerReport.java
CustomerReport.java:43: cannot find symbol
symbol : method PrintWriter(java.io.File)
location: class CustomerReport
PrintWriter printWriter = PrintWriter(new File(filename));
^
1 error
I really can't see the mistake is so I was hoping someone could point it out to me please.
Any help would be appreciated!
Thanks in advance!