file « serialize « Java I/O Q&A





1. Java: Serializing a huge amount of data to a single file    stackoverflow.com

I need to serialize a huge amount of data (around 2gigs) of small objects into a single file in order to be processed later by another Java process. Performance is kind ...

2. Serializing BTree to a file    stackoverflow.com

I'm trying to implement a BTree. I'm pretty much done with the tree and works great for a smaller input which means I've implemented the tree in memory. Now I would ...

3. Java: unwanted characters at the beginning of a file as result of serialization    stackoverflow.com

when I write a new text file in Java, I get these characters at the beginning of the file:

¨Ìt
This is the code:
public static void writeMAP(String filename, Object object) throws IOException {
 ...

4. How to replace content of a file in java?    stackoverflow.com

I am writing data to a file using an ObjectOutputStream. I have a class Data which implements Serializable interface. This class has 4 instance variables. I am successfully able to write ...

5. In Java, how can I create an equivalent of an Apache Avro container file without being forced to use a File as a medium?    stackoverflow.com

This is somewhat of a shot in the dark in case anyone savvy with the Java implementation of Apache Avro is reading this. My high-level objective is to have some way to ...

6. I need to serialize a 2gb file    coderanch.com

Sun's 32-bit JVMs can hold somewhat less than 2GB worth of data in memory. Further, because characters are held as 16-bit Unicode values, a disk file's size might actually double when read in as a Java String. So serialization issues aside, you may have problems just assembling this data structure in the first place, unless you have 64-bit hardware. Consider putting ...

7. Serialization and Large Files    coderanch.com

I have this crazy problem I am working on. We've got a proram going that works for small and fair-to-middling sized files but when we try to run it on large files it crashes with an outOfMemory error. I traced the problem back to a section of code that writes to a very large data structure, specifically a vector of vectors ...

8. serializable not creating end of file    coderanch.com

Hi, I've written a program wich wirtes a vector of custom objects and it works well, the problem is that when I read the file it creates, it never ends. If I try to open the file with vim it says, "no end of file" even the content is rigth, it doesn't have a end of line. Can anyone help me? ...





10. Serialization without creating the file    coderanch.com

11. Serialization without a file    coderanch.com

I needed to write a test method for Serialization that does NOT use a file so I came up with the following code: public static UserSession testSerialization(UserSession userSess) throws Exception { // Test serialization PipedOutputStream pos = new PipedOutputStream(); PipedInputStream pis = new PipedInputStream(); pos.connect(pis); ObjectOutputStream oos = new ObjectOutputStream(pos); ObjectInputStream ois = new ObjectInputStream(pis); oos.writeObject(userSess); UserSession newUserSess = (UserSession)ois.readObject(); return ...

12. file Serialization    coderanch.com

serial just means you have one pipe, and everything goes through it one at a time. you send the first bit, then the second, then the third, etc. parallel means you have multiple pipes, so you can send more than one thing at a time. if you had 8 pipes, you could send each of the bits from a byte all ...

13. What is the best way to store data to a file? Serialization?    forums.oracle.com

FYI: I am some what of a novice programer. I have almost finished my degree but everything I know about Java is self taught (never taken a course in java). Any way here is my question. So I have an example program that I have created. It basically just has three textpanes which also have the ability to contain images. Now ...