A new line in java

How to insert a new line char(s) into a java String? a single '\n' seems not the best solution.

whadda wrong with /n...???well it's \n ;-) but other then that
there is nothing wrong wiht it, if it is used properly.
\n represents a specific ascii code (13 I think but I'm not sure)
if you want to put that ascii code into your string it is the correct thing to use.
but what is considert the end of a line depends on the OS some use
\n some use \r\n (or was it the other way round?). So if you want to put a end of line in a String (or file or whatever use the system property as described in a previouse post
regards
Spieler

Similar Messages

New line in java

i have three questions: can someone tell me exactly what those 2 bolded line do?
what is code for a new line in java? // in php is \n
and how good is java with mysl databases? i meen speed
try{
               kin = new BufferedReader(new InputStreamReader(System.in));
               s = new Socket("127.0.0.1",9191);
               dos = new DataOutputStream(s.getOutputStream());
dis = new DataInputStream(s.getInputStream());
System.out.print(dis.readUTF());//connected
System.out.print(dis.readUTF());//user
dos.writeUTF(kin.readLine());dos.flush();
System.out.print(dis.readUTF());//pass
dos.writeUTF(kin.readLine());dos.flush();
String z="";
while (true){
     System.out.print(dis.readUTF());//xml msg
i have this code and i

i have a server at witch this function connects and send some data, with the bolded lines
the server is in java also,
the problem is that i'm trying to make a connexion with php, and send data to that soket, but the server waits for a comand that the string send has ended.
kind of an "ENTER', i don't know what i must send to that java server that he understand as to go forword

How to brake to new line in Java function in XI

Hi,
How to brake next line in java function in XI(i am trying to use \n but it is not going to next line its displaying same in output). can anybody help me on this
Thanks,
Sudheer.

Sudheer ,
Please explain about your requirement with example data with source structure and target structures with the java requirement .
Regards,#
Reddy

Need help in how to print new line character in unix using java

Hi All,
I use the printstream class to print some line in a text using java.
here is the code:
   FileOutputStream out; // declare a file output object
        PrintStream p; // declare a print stream object
                p.print("\t");
                p.print(date);
                p.print("\t\t");
                p.print(RecCount);
                p.println("\n");when i use this and output of this character in windows is
date RecCount
22-07-2007 23456
when i use the same code in unix it shows the following output:
date RecCount[]22-07-2007
it wont accept the new line character could any one give me an idea to solve this problem.

PrintStream has a println() method. Use that. Or System.getProperty("line.separator").
Because a newline char doesn't necessarily specify a line break. It's system-dependent.

Problem with new-line-character and java.io.LineNumberReader under AIX

Hi folks,
I got the following problem: I wrote a little parser that reads in a plain-text, tabulator-separated, line-formatted logfile (and later on safes the data to a 2-dimensional Vector). This logfile was originally generated by an AIX ksh script, however, I copied it on my Windows machine to work with it (for I'm using a Java editor that runs under Win Systems).
For any reason, Windows, and what is worse Java too, seems not to recognize correctly the new-line character (in the API it is written that this should be a newline '\n' or a carriage-return '\r' or one followed by the other) that marks the end of a line in the logfile.
Also, when I'm opening the logfile with the "Notepad"-editor, this special character does not seem to be recognized, every line is inserted right after the other.
On the other side, when I open the logfile with the built-in editor in the CMD-Shell ("Dos-shell"), the newline chars seem to be recognized correctly.
But when start my parser on the AIX-machine the newline does not seem to be recognized correctly again.
I tried to read in the logfile with MS-Excel and safe it as a plain-text, tabulator-separated, line-formatted logfile again, with such files my parser works fine both on the AIX as it does on Windows.
Any ideas? Anybody got over the same problem already?
Greetz FK

Under windows, text files' lines are usually delimited by \r\n,
under Unix/Linux/AIX etc. \n
and under Mac \r.
I recommend to use the following editors, which are capable to handle files with Unix and Windows-styled line-delimiters or convert between these types:
Programmer's File Editor (PFE; available on Windows)
The Nirvana Editor (http://www.nedit.org/; available on Unix, MAcOS, Windows)
(BTW good old vim can handle that too. Transferring text files to windows in order to edit them, even using Excel for this purpose means your being a UNIX newbie, (I mean no offense by writing this) so vim is probably beyond your reach for the moment.)
Java normally assumes the platform's line delimiters where it is running, so if you transferred the file from Unix to Windows might be distrurbing.

Replacing windows new line characters with JAVA

I am importing a file into the database... the file is written by a client using windows, and it is a text file.
When there is a windows new line character at the end of the line (^M), it is getting saved to the database as part of the string value.
When we parse this data to run a report, the (^M) are being written back out to the file and causing the fields and data not to line up.
We want to REPLACE the ^M with some other character (whatever it doesn't matter)... how can java do that???
We tried replacing '/n' with '###' and it will show the ###, but the line still breaks.
TIA,
Tonya

The characters in question are cr = \r = ascii(13) and lf = \n = ascii(10). Windows uses CrLf, Unix uses Lf and some systems use just Cr. You can use the String.replaceAll or the pattern matching classes to fix this up, see java.util.regex.Pattern, and java.util.regex.Matcher.

How to print new line in jsp page

hi
how to print new line in jsp page
thanks

\n - new line character is in java specific not HTML
specific.Well, if the correct line separator sequence (by far not always \n) would be used, it does add a new line to the HTML output. Too bad that you don't want to see HTML but formatted text. The BR tag is a formatting element for the displayed text, not a line break in HTML. ;)

CLIENT_TEXT_IO : cannot insert new line into a text file

Facts:
Developer 10g
AS 10g
Web utility
Problem:
i am traying to
Open a text file. using CLIENT_TEXT_IO.FOPEN
insert a record in to a text file using CLIENT_TEXT_IO.PUTF
insert a new line using chr(10) or CLIENT_TEXT_IO.NEW_LINE
or CLIENT_TEXT_IO.put_line
insert the next record
Close the file.
all work except insert a new line
Why !!!
it was Working fine in 6i, but now in 10g and Webutil is not working
plz help

Hi you can put a new line in a text file using System.getProperty("line.separator"). This implementation will work for every OS.
import java.io.*;
class Demo{
public static void main(String args[]) throws Exception {
FileWriter fr = new FileWriter("FileDemo.txt");
fr.write("AAAAAAAAAA");
fr.write(System.getProperty("line.separator"));
fr.write("AAAAAAAAAAA");
fr.close();
}

New Line in Text File

Hi -
Im using the FileWriter and BufferedWriter classes to output text into a .txt file.
The text I am writing is taken from another text file using the FileReader and BufferedReader classes.
The text is reading from the file, and will also output to the new text file, however it won't insert a new line, it only inserts an 'unprintable' character i.e. an empty square
My code is below - its only starting out so its farily simple at the moment, just reading from one file and outputting to another.
Is there a way i can get the actual new line/carriage return inserted instead of the empty square. (im running Windows XP)
Thanks in advance
import java.io.*;
public class Pad {
private String inputPath;
private String outputPath;
/** Creates a new instance of Pad */
public Pad() {
inputPath = "C:\\OUTBOUND.TXT";
outputPath = "C:\\04'06.txt";
* @param args the command line arguments
public static void main(String[] args) {
// TODO code application logic here
System.out.println("PAD File");
//Read PAD File
Pad p = new Pad();
p.readPADFile(p.inputPath, p.outputPath);
public void readPADFile(String inputPath, String outputPath)
inputPath = this.inputPath;
outputPath = this.outputPath;
//System.out.println(inputPath);
int recordCount = 0;
String record = null;
try
FileReader fr = new FileReader(inputPath);
FileWriter fw = new FileWriter(outputPath);
BufferedReader br = new BufferedReader(fr);
BufferedWriter bw = new BufferedWriter(fw);
record = new String();
while((record = br.readLine())!=null)
recordCount++;
//System.out.println(recordCount + ": " + record);
bw.write(record + "\n");
bw.close();
br.close();
fw.close();
fr.close();
}catch(IOException e)
System.out.println("IOException Error");
e.printStackTrace();
System.out.println(e.toString());
}

I assume by using the
System.getProperty("line.separator") that this will
work independent of platform.Yes. And using bw.println() instead of bw.print() will already do it for you. So all you need to change in your program are two letters.

How to insert new line in a text file

hi all,
i wnat to know how can i insert a new line in a text file using java.
for example i want the formate of the text like this
1 2 3
4 5 6
until now i know only how to insert data but not new line.
Thanks in advandce

Hi you can put a new line in a text file using System.getProperty("line.separator"). This implementation will work for every OS.
import java.io.*;
class Demo{
public static void main(String args[]) throws Exception {
FileWriter fr = new FileWriter("FileDemo.txt");
fr.write("AAAAAAAAAA");
fr.write(System.getProperty("line.separator"));
fr.write("AAAAAAAAAAA");
fr.close();
}

How to make new line in JButton.setText()?

how to make new line in JButton.setText()?
I want to set the text of jbutton in tow line ,as follows
| jbutton-line1 |
| xxxxxxx-line2 |
i konw i can jbtton.settext("<html>line1<br>line2</html>");
but i find it's ugly using html,
is there anyother way to create new line in JButton's Text

As for the above comment....
I thought the question was well purposed. Using HTML was not acceptable in this instance, which was made clear, so why critisize his comments? "Using HTML" is a poor solution, it does NOT work in many instances due to browser, OS variations. Usually the "common answer" is never a COMPLETE answer.
Possible Solution:
Use JLabels to render the text on the button.
import javax.swing.*;
import java.awt.*;
public class ButtonMaker {
public static void makeButton(JButton jb, String[] titleList) {
jb.setLayout(new FlowLayout());
for (int i = 0; i < titleList.length; i++) {
JLabel tmpLabel = new JLabel(titleList);
tmpLabel.setForeground(Color.black);
jb.add(tmpLabel);
public static void clearButton(JButton jb) {
Component[] cList = jb.getComponents();
for (int i = 0; i < cList.length; i++) {
if (cList[i] instanceof JLabel)
jb.remove(cList[i]);
Known Limitations:
1. Flowlayout does not work well with single line text buttons... perhaps another layout manager may work better for various buttonsizes-linenumber combos.
2. Mac OSX : The default UI for Mac OS X (and above it seems), is to have rounded edged buttons. These rounded edges are destoryed when using JLabels, leaving a square, blocky button in its place.
POSSIBLE SOLUTION:
(this is ugly and time consuming)
- create images of the button with text on them.

Copy the data from first line while dynamically adding a new line in table

Hi,
1. There is a table
2. An add button adds a new line to the table using 'AddInstance'
3. A record is entered in the first line
4. When the add button is clicked it adds a new line and along with it copies the data entered in the first line
My question is how to copy the data from the first line and show it in the new line added. This is required so that user can use most of the common values in the first line.
Thanks,
Nikhil

You can use the following Java Script in the Click event of the button.
// Get the number of rows in the table
var nrows = xfa.resolveNodes("page.table.DATA[*]").length;
// Add a new instance(row) to the table
page.table.addInstance.instanceManager(1);
xfa.form.recalculate(1);
// Copy the values from the first line to the newly created row
page.table.DATA\[ nrows \].field1.rawValue = page.table.DATA\[ 0 \].field1.rawValue;
..........field2
..........field3
Thanks,
Chandra Indukuri

Problem in drawing a line in Java Application Program

Hi,
I am trying to draw a line after a message is displayed on the screen. But the line is not at all coming on the screen while running. but I can see a red line is appearing on the screen first and and it is getting overridden.
There is something wrong in the concept what I understood about graphics.Can anybody help to
understand where the problem is ?
Here is the part of the code which used to draw line.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import java.io.*;
import java.sql.*;
import java.util.*;
import java.util.Date.*;
import java.text.*;
import java.lang.*;
import MyPack.*;
class chalan_pay extends JFrame
JTextField jt1,jt2,jt3,jt4,jt5;
JLabel jlh,jl1,jl2,jl3,jl4,jl5,jl10;
JButton bt1,bt2,bt3;
Choice ch1,ch2,ch3,ch4;
Connection con = null;
int i1no,i2no,i3no,i4no,itno;
String idate;
public chalan_pay()
getContentPane().setLayout(null);
jt1= new JTextField(5);
jt1.setBounds(110,150,50,20);
jt2= new JTextField(10);
jt2.setBounds(400,150,100,20);
jt3= new JTextField(3);
jt3.setBounds(590,150,30,20);
jt4= new JTextField(2);
jt4.setBounds(750,150,30,20);
jlh= new JLabel();
jlh.setText("CHALLAN DETAILS");
jlh.setBounds(300,50,200,20);
jl1= new JLabel();
jl1.setText("IGM No. ");
jl1.setBounds(50,150,100,20);
jl2= new JLabel();
jl2.setText("IGM Date ");
jl2.setBounds(340,150,100,20);
jl3= new JLabel();
jl3.setText("Line No. ");
jl3.setBounds(530,150,100,20);
jl4= new JLabel();
jl4.setText("Subline No. ");
jl4.setBounds(680,150,100,20);
jl10= new JLabel();
jl10.setBounds(100,200,300,20);
ch1= new Choice();
ch1.setBounds(170,150,150,20);
getContentPane().add(ch1);
ch1.addItemListener(new Opt1());
bt1= new JButton("Exit");
bt1.setBounds(200,600,100,20);
getContentPane().add(bt1);
bt1.addActionListener(new Ex());
try
con=db_connect.getConnection();
Statement st1 = con.createStatement();
ResultSet rs1 = st1.executeQuery("select igm_no,to_char(igm_dt,'DD-MON-YY'),line_no,subline_no from "+
"det_item order by igm_no");
while(rs1.next())
ch1.addItem(String.valueOf(rs1.getInt(1))+" "+rs1.getString(2)+" "+
String.valueOf(rs1.getInt(3))+" "+String.valueOf(rs1.getInt(4)));
rs1.close();
st1.close();
catch(Exception e){e.printStackTrace();}
getContentPane().add(jlh);
getContentPane().add(jl1);
getContentPane().add(jt1);
getContentPane().add(jl2);
getContentPane().add(jt2);
getContentPane().add(jl3);
getContentPane().add(jt3);
getContentPane().add(jl4);
getContentPane().add(jt4);
getContentPane().add(jl10);
setSize(900,700);
setVisible(true);
show();
public void paint(Graphics g)
g.setColor(Color.red);
g.drawLine(0,300,600,300);
class Ex implements ActionListener
public void actionPerformed(ActionEvent evt)
if(evt.getSource() == bt1)
dispose();
return;
This code is incomplete. The program is compiled and Ran. I am unable to see the Line.
Is it because , I am using contentPane ?. Please help me to cake it clear.
mjava

I have no idea what JTutor is, but if it tells you to override paint() in Swing, it's not worth its disk space.
[http://java.sun.com/docs/books/tutorial/uiswing/painting/closer.html] clearly says that for all practical purposes paintComponent will be the only method that you will ever need to override.

How to go to a specific line # in java?

Hi,
I have located a keyword in a file using the bufferredreader class (by reading line by line and searching for the keyword).
This method returns the # of the line that contains the keyword. Say this method return 'n'. I need to pass this information to another method and have it skip the first 'n' lines and start reading from the (n+1)th line.
I have not found this capability in the Bufferredreader class nor other classes in Java that I looked at. Do you know of any filereader class that does that?
Note that my intent is to delete the line that contains this keyword. The way I am thinking of right now is to find the line, pass its line # to another method and have that method line (n)th with (n+1)th sequentially to the end of the file. Would you suggest a better way of approaching the problem all together?
Thanks,
parachuter2b

bckrispi is right ! This is a small part of a pretty big server/client program that has to be platform independable as well.
mchan0 :
so this is not useful? rather then have the second program re-read, you >could output the rest of the file to a new file without the first n lines?
java.lang.Object
java.io.Reader
java.io.BufferedReader
readLine
public String readLine()
throws IOExceptionRead a line of text. A line is considered to be terminated >by any one of a line feed ('\n'), a carriage return ('\r'), or a carriage return >followed immediately by a linefeed.
Returns:
A String containing the contents of the line, not including any >line-termination characters, or null if the end of the stream has been >reached
Throws:
IOException - If an I/O error occursI need to delete only that one line from the file...so would need to retain the first n-1 lines and (n+1)th till the end of the file.
cotton.m:
Note that my intent is to delete the line that
contains this keyword.
This actually concerns me more than your current problem.Do you mean there's a better way of going about this problem or something else? sorry ! I don't quite get what you mean.

How to add a new line item when i click on UPDATE in orderpage B2B webshop?

Hi Gurus,
I need to add a new line item based on some condition when i click on update in the order page in b2b web shop. Is there any way to pass some parameters to the BADI crm_isa_basket_items and create a new line item when i update? If so can you please tell the parameters that i need to pass to the badi.
Any help will be highly appreciated!!!!!
Thanks in advance,
Lakshman.

You can put condition when you call java script function while clicking on "update" button.
On order.jsp update button call "submit_refresh()" java script function. You can check your condition over here.
You can find this function in "orderTools.js" file.
And when you enter item in last line on order page and click on the update button it will automatically add new empty lines on your order page as per your selected new line items from drop down box.
Or may be you can call your custome action class when you click on update to check particular condition.
I hope it will help you.
Thanks and Regards.
eCommerce Developer

A new line in java

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