random « text file « Java I/O Q&A





1. How to get a random line of a text file in Java?    stackoverflow.com

Say there is a file too big to be put to memory. How can I get a random line from it? Thanks. Update: I want to the probabilities of getting each line to ...

2. Java extract random values from text file    stackoverflow.com

I posted a question earlier regarding how to extract the first eight values from an external text file using Java. The text file contains the first 1000 prime numbers ...

3. Searching through text file and randomly choosing?    stackoverflow.com

my homework is this if more context is needed - I would explain it but it is pretty long to explain and the text files are provided on the site if ...

4. how to randomly access a text file    coderanch.com

5. generate a text file with random no of characters    coderanch.com

with this method you can generate "words" with the lenght you want: //the argument n is the number of words you want //the argument len is the lenght of the words public String[] generateWords(int n, int len){ String[] words=new String[n]; char[] eachWord=new char[len]; for (int j=0;j

6. Create random integers in a text file.    forums.oracle.com

1) Look up the class Random. This will tell you how to create random integers. 2) Go through the sun java I/O tutorials. If you study this well, you will learn how to read from and write to files. 3) Don't try to do both at once. Get the random stuff working first in the console window. Once that's down pat, ...

7. Reading a Random Line from a Text File    forums.oracle.com

8. Random Line reading in text file    forums.oracle.com

I am trying to read a random line in a text file but every time i read it it reads first line of the file any one can help me what is the problem in the code is or provide me with a new code. BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); File file = new File("word.txt"); if(!file.exists()) { System.out.println("File does not ...

9. Reading text from multiple files - some files skipped at random    forums.oracle.com

Thanks for the reply hiwa - I've implemented your suggestions but unfortunately I'm still experiencing the same issues. Essentially it should open a text file, read each line until it finds the line "PO-Revision-Date: " and then store the date which follows it. This is performed for every file in a list. For some reason "(strLine = br.readLine())" returns null at ...





10. How to read UTF-8 encoded text file randomly?    forums.oracle.com

I want to add up that in the constructor I can very well read by opening the file in sequential mode. I can then close it and reopen it in Random mode, but I am left with two problems. 1) How will reliably record the byte offset value while reading the file sequentially? There seems to be no method in InputStreamReader ...