I have a text file that I want to edit using Java. It has many thousands of lines. I basically want to iterate through the lines and change/edit/delete some ... |
If I have a a textfile say file.txt and it contains random words like:
fruit:apple
fruit:orange
fruit:grape
In java, if i wanted to change the second line to read fruit:pear how could i do it?
I ... |
i think i can use "Scanner" to read a .txt file but how can i write or even create a new text file?
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Ok so I know the value of the line, I dont have the line number, how would I edit only 1 line?
Its a config file, i.e
x=y
I want a command to edit ... |
Ok, say I have a text file called "people.txt", and it contains the following information: 1 adam 20 M 2 betty 49 F 3 charles 9 M 4 david 22 M 5 ethan 41 M 6 faith 23 F 7 greg 22 M 8 heidi 63 F Basically, the first number is the ID of the person, then comes the person's ... |
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i think it is not advisable to store the thousands of line in the memory using Buffering, what is the best API in java, that i can store it in a temporary txt,. or how can i edit the text file, let say i want to edit directly to line number 100? any help would be much appreciated |
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I have a text file with data entered as: 0,Broyles, Frank, 479-575-1964, Football St, Fayetteville, AR, 72703 1,Richardson, Nolan, 479-575-1994, Basketball St, Fayetteville, AR, 72703 I want to display only certain contents of the file in this format to a jlist: Last name, First name Phone number City, State, zip code How do I do this? It think it would be ... |
As in your other thread, please only one thread per question. Your question is a bit broad to answer specifically, but you will need to read in the text file (check out the Java tutorials for how to do this), display it however you need to in your GUI, and then re-write it (again, the tutorials will explain how). Study the ... |
I have been working on a simple program for weeks now and I am about to puul my hair out. What I have is an ASP web application that should print a template text file. I was trying to do all of this in ASP since I really don't know JAVA but everywhere I go I am told it can't be ... |
/** * */ /** * @author DMarsh * */ import java.io.*; public class Data2 { public static void main(String[] args) { try { FileInputStream fstream=new FileInputStream("C:\\Users\\DMarsh\\Desktop\\Programming II\\data.txt"); DataInputStream in= new DataInputStream (fstream); BufferedReader br=new BufferedReader (new InputStreamReader (in)); String strLine; while ((strLine=br.readLine())!= null){ System.out.println(strLine); } in.close(); }catch (Exception e){ System.err.println("Error: " + e.getMessage()); } } } |
i was thinking of EDITING THE FILE i mean changing some parts of the files example i could always change line #2 if it contains data about AGE somehing like that The easiest way is to read the whole file, line by line, and store the lines in a String array. Then change the lines in the array. Finally, overwrite the ... |
Hi everyone, I'd like to open a text file and edit the text, that is to change and edit a text file, that already has been written, such as add text in the middle or at the begining of the text file. I used RandomAccessFile class and seek method to work with text files, but I connot use it to add ... |
Hi, I have a text file with sample data like this. Nokia|25 Motorola|30 LG|20 Samsung|50 Sony|25 I will get an argument like Nokia. I need to compare it with the data in the file. If I find a matching record in the file, I need to decrement the quantity, i.e 25 in this case(Nokia) and display a message in the screen. ... |
I apologize for taking a while to respond to this. But what would be the best data structure to use for this. I am not the best with writing to files, and am having a hard time with it. Even if there is an article that can point me in the right direction I would appreciate it. |
Now, since the threshold has been crossed, I want to overwrite the above HTML representation such that "Average Cyclomatic Complexity" and "1.00" are highlighted in red and save the file. Now, this is only for "Avg cyclomatic complexity", I want to do it for all parameters in the 'threshold' doc. Could you provide the code?. Do I need an external HTML ... |
1) open the file for input 2) read the file 3) close the file 4) change the data in the file 5) open the file for output 6) write the changed data to the file 7) close the file Any book on Java will have the basics of Input and Output. If you need further help then you need to create ... |
Hi everyone Mytextfile.txt looks like this : (tasks are A,B,C,D ...) A 3 4 5 2 OK B 3 2 1 5 NotOK C 4 9 2 1 OK. D ..... My program needs to edit the text file and change the status of NotOK to OK for any task that is completed. Could you guide me on how to look ... |