java-io

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Java: opening and reading from a file without locking it

I need to be able to mimic \'tail -f\' with Java. I\'m trying to read a log file as it\'s being written by another process, but when I open the file to read it, it locks the file and the other process[详细]

2022-12-24 06:20 分类：问答
Resetting the InputStream of a Java Socket after reaching EOS

I\'m attempting to connect two separate applications via a TCP/IP socket. In this case neither of the applications is running as a \"client\" of the other, it would be easier to describe them as two s[详细]

2022-12-23 23:11 分类：问答
Java File manipulation

So I have an application with a JFileChooser from which I select a file to read. Then I change some words and write a new file. The problem that I 开发者_运维问答am having is that when I write the new[详细]

2022-12-22 20:46 分类：问答
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException

What causes this kind of error in Tomcat? SEVERE: Exception loading sessions from persistent storage java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException:[详细]

2022-12-20 11:54 分类：问答
Fastest way of processing Java IO using ASCII lines

I\'m working with an ASCII input/output stream over a Socket and speed is critical. I\'ve heard using the right Java technique really makes a difference. I have a textbook that says using Buffers is t[详细]

2022-12-17 07:21 分类：问答
Writing newline to file adds an unwanted space

In Java, i am creating a text File for a batch file to upload in other system. Wh开发者_如何学Goen i am writing into that file at the end of line i am using \\n to start the newline. While starting[详细]

2022-12-16 06:44 分类：问答
java : writing large files?

Greetings , I get huge number of records from database and write into a file.I was wondering what the best way to write huge files. (1Gb - 1开发者_如何学Go0Gb).[详细]

2022-12-15 20:54 分类：问答
How java.io.Buffer* stream differs from normal streams?

1) How does buffered streams work in background, how do they differ from normal streams and what are the advantage(s) of using them?[详细]

2022-12-11 09:27 分类：问答
Can apache FileUtils.writeLines() be made to append to a file if it exists

The commons FileUtils look pretty cool, and I can\'t believe that they cannot be made to append to a file.[详细]

2022-12-09 07:17 分类：问答
readXmlfile from java

Hello I\'ve written small class in java to read in xml file as a string, not my question is following : how do I append string so it outputs only what is between Physical_Order_List_Array tags[详细]

2022-12-08 06:42 分类：问答