How do I have the entered data go into the next line of a text file

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I have a text file that has the date, name, description and amount.

10/10/2018, Gel, Hair Product, 2000.00

With the code I made, the user can enter a new line into the original text file:

public static void recordExpense(String filename)throws IOException{

    String expense = "";

    String date = "";

    String description = "";

    double amount = 0.0;

    PrintWriter pw = null;

    try {

        pw = new PrintWriter(new BufferedWriter(new FileWriter(filename,true)));

        date = readDate(); //user enters the date

        expense = readExpense(); //user enters the name of the expense

        description = readDescription(); // user enters the description of the expense

        amount = readAmount(); .//user enters how much it costs

        pw.println(date+", "+expense+", "+description+", "+amount);

        pw.close();

    }catch (Exception e){

        System.out.println("The file could not be found");

    }

}

Instead of having the expected output like:

10/10/2018, Gel, Hair Product, 2000.00

11/10/2018, Comb, Stuff, 20.00

It would come out like this instead:

10/10/2018, Gel, Hair Product, 2000.0011/10/2018, Comb, Stuff, 20.00

How do I fix this?

asked Nov 24 '18 at 14:44

Joey Deguzman

427

So you want it to come out like the second example, with all of it in a straight line?

– Ishaan Javali
Nov 24 '18 at 14:47

No he wants in the first

– Themelis
Nov 24 '18 at 14:48

Nope, I need it to be the first example.

– Joey Deguzman
Nov 24 '18 at 14:48

Your program is working and println() seems to failed to create a new line, try print(). Create a constant private static final String newline = System.getProperty("line.separator");and use pw.print(date+", "+expense+", "+description+", "+amount+newLine);.

– Themelis
Nov 24 '18 at 14:50

If the file already exists, and you can't touch it, you'll have to read it first to check if it contains a blank line at the end or not. And then add the missing blank line first if necessary.

– JB Nizet
Nov 24 '18 at 14:52

add a comment |

I have a text file that has the date, name, description and amount.

10/10/2018, Gel, Hair Product, 2000.00

With the code I made, the user can enter a new line into the original text file:

public static void recordExpense(String filename)throws IOException{

    String expense = "";

    String date = "";

    String description = "";

    double amount = 0.0;

    PrintWriter pw = null;

    try {

        pw = new PrintWriter(new BufferedWriter(new FileWriter(filename,true)));

        date = readDate(); //user enters the date

        expense = readExpense(); //user enters the name of the expense

        description = readDescription(); // user enters the description of the expense

        amount = readAmount(); .//user enters how much it costs

        pw.println(date+", "+expense+", "+description+", "+amount);

        pw.close();

    }catch (Exception e){

        System.out.println("The file could not be found");

    }

}

Instead of having the expected output like:

10/10/2018, Gel, Hair Product, 2000.00

11/10/2018, Comb, Stuff, 20.00

It would come out like this instead:

10/10/2018, Gel, Hair Product, 2000.0011/10/2018, Comb, Stuff, 20.00

How do I fix this?

asked Nov 24 '18 at 14:44

Joey Deguzman

427

So you want it to come out like the second example, with all of it in a straight line?

– Ishaan Javali
Nov 24 '18 at 14:47

No he wants in the first

– Themelis
Nov 24 '18 at 14:48

Nope, I need it to be the first example.

– Joey Deguzman
Nov 24 '18 at 14:48

Your program is working and println() seems to failed to create a new line, try print(). Create a constant private static final String newline = System.getProperty("line.separator");and use pw.print(date+", "+expense+", "+description+", "+amount+newLine);.

– Themelis
Nov 24 '18 at 14:50

If the file already exists, and you can't touch it, you'll have to read it first to check if it contains a blank line at the end or not. And then add the missing blank line first if necessary.

– JB Nizet
Nov 24 '18 at 14:52

add a comment |

I have a text file that has the date, name, description and amount.

10/10/2018, Gel, Hair Product, 2000.00

With the code I made, the user can enter a new line into the original text file:

public static void recordExpense(String filename)throws IOException{

    String expense = "";

    String date = "";

    String description = "";

    double amount = 0.0;

    PrintWriter pw = null;

    try {

        pw = new PrintWriter(new BufferedWriter(new FileWriter(filename,true)));

        date = readDate(); //user enters the date

        expense = readExpense(); //user enters the name of the expense

        description = readDescription(); // user enters the description of the expense

        amount = readAmount(); .//user enters how much it costs

        pw.println(date+", "+expense+", "+description+", "+amount);

        pw.close();

    }catch (Exception e){

        System.out.println("The file could not be found");

    }

}

Instead of having the expected output like:

10/10/2018, Gel, Hair Product, 2000.00

11/10/2018, Comb, Stuff, 20.00

It would come out like this instead:

10/10/2018, Gel, Hair Product, 2000.0011/10/2018, Comb, Stuff, 20.00

How do I fix this?

asked Nov 24 '18 at 14:44

Joey Deguzman

427

I have a text file that has the date, name, description and amount.

10/10/2018, Gel, Hair Product, 2000.00

With the code I made, the user can enter a new line into the original text file:

public static void recordExpense(String filename)throws IOException{

    String expense = "";

    String date = "";

    String description = "";

    double amount = 0.0;

    PrintWriter pw = null;

    try {

        pw = new PrintWriter(new BufferedWriter(new FileWriter(filename,true)));

        date = readDate(); //user enters the date

        expense = readExpense(); //user enters the name of the expense

        description = readDescription(); // user enters the description of the expense

        amount = readAmount(); .//user enters how much it costs

        pw.println(date+", "+expense+", "+description+", "+amount);

        pw.close();

    }catch (Exception e){

        System.out.println("The file could not be found");

    }

}

Instead of having the expected output like:

10/10/2018, Gel, Hair Product, 2000.00

11/10/2018, Comb, Stuff, 20.00

It would come out like this instead:

10/10/2018, Gel, Hair Product, 2000.0011/10/2018, Comb, Stuff, 20.00

How do I fix this?

java text

asked Nov 24 '18 at 14:44

Joey Deguzman

427

asked Nov 24 '18 at 14:44

Joey Deguzman

427

asked Nov 24 '18 at 14:44

Joey Deguzman

427

asked Nov 24 '18 at 14:44

Joey Deguzman

427

asked Nov 24 '18 at 14:44

Joey Deguzman

427

So you want it to come out like the second example, with all of it in a straight line?

– Ishaan Javali
Nov 24 '18 at 14:47

No he wants in the first

– Themelis
Nov 24 '18 at 14:48

Nope, I need it to be the first example.

– Joey Deguzman
Nov 24 '18 at 14:48

Your program is working and println() seems to failed to create a new line, try print(). Create a constant private static final String newline = System.getProperty("line.separator");and use pw.print(date+", "+expense+", "+description+", "+amount+newLine);.

– Themelis
Nov 24 '18 at 14:50

If the file already exists, and you can't touch it, you'll have to read it first to check if it contains a blank line at the end or not. And then add the missing blank line first if necessary.

– JB Nizet
Nov 24 '18 at 14:52

add a comment |

So you want it to come out like the second example, with all of it in a straight line?

– Ishaan Javali
Nov 24 '18 at 14:47

No he wants in the first

– Themelis
Nov 24 '18 at 14:48

Nope, I need it to be the first example.

– Joey Deguzman
Nov 24 '18 at 14:48

Your program is working and println() seems to failed to create a new line, try print(). Create a constant private static final String newline = System.getProperty("line.separator");and use pw.print(date+", "+expense+", "+description+", "+amount+newLine);.

– Themelis
Nov 24 '18 at 14:50

If the file already exists, and you can't touch it, you'll have to read it first to check if it contains a blank line at the end or not. And then add the missing blank line first if necessary.

– JB Nizet
Nov 24 '18 at 14:52

So you want it to come out like the second example, with all of it in a straight line?

– Ishaan Javali
Nov 24 '18 at 14:47

No he wants in the first

– Themelis
Nov 24 '18 at 14:48

Nope, I need it to be the first example.

– Joey Deguzman
Nov 24 '18 at 14:48

Your program is working and println() seems to failed to create a new line, try print(). Create a constant private static final String newline = System.getProperty("line.separator");and use pw.print(date+", "+expense+", "+description+", "+amount+newLine);.

– Themelis
Nov 24 '18 at 14:50

If the file already exists, and you can't touch it, you'll have to read it first to check if it contains a blank line at the end or not. And then add the missing blank line first if necessary.

– JB Nizet
Nov 24 '18 at 14:52

add a comment |

1 Answer
1

active

oldest

votes

Your file obviously does not end with a newline. If you want to add a new text on a new line, you need to print this newline first and then print the text.

Replace:

pw.println(date+", "+expense+", "+description+", "+amount);

With:

pw.print(System.lineSeparator()+date+", "+expense+", "+description+", "+amount);

edited Nov 24 '18 at 14:51

answered Nov 24 '18 at 14:49

Martin Heralecký

3,19921135

1

That will add blank lines to the file. It's also quite strange to use the line separator sometimes, and n some other times.

– JB Nizet
Nov 24 '18 at 14:50

@JBNizet My mistake, fixed.

– Martin Heralecký
Nov 24 '18 at 14:52

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

Your file obviously does not end with a newline. If you want to add a new text on a new line, you need to print this newline first and then print the text.

Replace:

pw.println(date+", "+expense+", "+description+", "+amount);

With:

pw.print(System.lineSeparator()+date+", "+expense+", "+description+", "+amount);

edited Nov 24 '18 at 14:51

answered Nov 24 '18 at 14:49

Martin Heralecký

3,19921135

1

That will add blank lines to the file. It's also quite strange to use the line separator sometimes, and n some other times.

– JB Nizet
Nov 24 '18 at 14:50

@JBNizet My mistake, fixed.

– Martin Heralecký
Nov 24 '18 at 14:52

add a comment |

Your file obviously does not end with a newline. If you want to add a new text on a new line, you need to print this newline first and then print the text.

Replace:

pw.println(date+", "+expense+", "+description+", "+amount);

With:

pw.print(System.lineSeparator()+date+", "+expense+", "+description+", "+amount);

edited Nov 24 '18 at 14:51

answered Nov 24 '18 at 14:49

Martin Heralecký

3,19921135

1

That will add blank lines to the file. It's also quite strange to use the line separator sometimes, and n some other times.

– JB Nizet
Nov 24 '18 at 14:50

@JBNizet My mistake, fixed.

– Martin Heralecký
Nov 24 '18 at 14:52

add a comment |

Your file obviously does not end with a newline. If you want to add a new text on a new line, you need to print this newline first and then print the text.

Replace:

pw.println(date+", "+expense+", "+description+", "+amount);

With:

pw.print(System.lineSeparator()+date+", "+expense+", "+description+", "+amount);

edited Nov 24 '18 at 14:51

answered Nov 24 '18 at 14:49

Martin Heralecký

3,19921135

Your file obviously does not end with a newline. If you want to add a new text on a new line, you need to print this newline first and then print the text.

Replace:

pw.println(date+", "+expense+", "+description+", "+amount);

With:

pw.print(System.lineSeparator()+date+", "+expense+", "+description+", "+amount);

edited Nov 24 '18 at 14:51

answered Nov 24 '18 at 14:49

Martin Heralecký

3,19921135

edited Nov 24 '18 at 14:51

answered Nov 24 '18 at 14:49

Martin Heralecký

3,19921135

answered Nov 24 '18 at 14:49

Martin Heralecký

3,19921135

answered Nov 24 '18 at 14:49

Martin Heralecký

3,19921135

1

That will add blank lines to the file. It's also quite strange to use the line separator sometimes, and n some other times.

– JB Nizet
Nov 24 '18 at 14:50

@JBNizet My mistake, fixed.

– Martin Heralecký
Nov 24 '18 at 14:52

add a comment |

1

That will add blank lines to the file. It's also quite strange to use the line separator sometimes, and n some other times.

– JB Nizet
Nov 24 '18 at 14:50

@JBNizet My mistake, fixed.

– Martin Heralecký
Nov 24 '18 at 14:52

That will add blank lines to the file. It's also quite strange to use the line separator sometimes, and n some other times.

– JB Nizet
Nov 24 '18 at 14:50

@JBNizet My mistake, fixed.

– Martin Heralecký
Nov 24 '18 at 14:52

add a comment |

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