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Questions tagged [datainputstream]

A DataInputStream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.

The DataInputStream class enables you to read Java primitives from InputStream's instead of only bytes. Wrap an InputStream in a DataInputStream and then you can read primitives from it. DataInputStreams represent Unicode strings in a format that is a slight modification of UTF-8.

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Do sockets clean part of their buffer every time I read a segment of the incoming message?

I've started working with Java and sockets and I'm having some problems with DataInputStream. I'm receiving a telegram which contains the message length in the first 4 bytes of the message itself, so at the first iteration I just read this memory…
Davide3i
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Whats wrong with InputStreamReader here?

I have created a Java Shopping Cart App. I have used InputStreamReader class for it. But its showing strange behavoiur. I have already tried Scanner class and Data Input Stream class. But they they do not seem to be fit for this app. Can anyone…
SHACHINDRA TRIPATHI
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Which one .readUTF method in DataInputStream will proceed first?

If I call two .readUTF methods of one DataInputStream object in two different streams, which one will read information first? Which was called first, or which was called second?
Serhii Tereshchenko
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Inquiry about method readUTF() of class DataInputStream

Does anybody know how it works under the hood? I have read this API, however it's not that clear. Could anybody put it down in a more simplistic way? Thanks in advance.
Rollerball
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Program to add two integer numbers read from a text file and displaying results on console

Even after lots of trial and error, I am unable to figure out how to write a java program that adds 2 integers (read from a text file) and displays addition result on the console. I tried using FileInputStream, DataInputStream classes ... Example…
Salman
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input string from a file and compare the input string

I want to input strings from a file and check whether each of the string match a given string, but I couldn't make it. Thanks in advance for helping. My code is as following: import java.util.*; import java.io.*; import…
Jess
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Different reading binary files in java / c++

My task is to read binary compressed files using JAVA. there is a difference between reading as C++ and JAVA. i don't know what the problem is when i read it with JAVA. Please let me know the problem of JAVA code that i wrote. please, help.. here…
Seong Soo Lim
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DataInputStream and DataOutputStream

I made my own bufferedwriter which works. But I don't know if it really does? I made a bufferedreader when I logout I have (200 coins) and when I login I get (545453 coins) or other amount I am sure it's the bufferedwriter, PLEASE HELP! public…
user2734151
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readLong() return wrong value

I use the function of "DataInputStream" called "readLong()" to read value from a file end with ".txt". This file was edited in advance. I want to get the correct value "123456789", but the answer is "3544952156018063160" DataInputStream di = new…
YuZhou Hong
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