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Questions - datainputstream

Inputting multiple 2D array elements at the same time

I am trying to create a program that will create an mxm grid using a 2D array. I want each of the elements within the array to be a "*". The problem is that I don't want to have to write a l...
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user18543051

java

multidimensional-array

datainputstream

Votes: 0

Answers: 1

Latest Answer

Of course if you never make an assignment grid[i][j] = "*"; the values will still be their default, null.
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clwhisk

Converting InputStream to byteArray[] and assigning it to a variable makes the byteArray[] empty

I have a standalone Spring BOOT Project which receives uploaded file as an byteArray[] and I perform validations on this byteArray[] by converting it back to InputStream and parsing through Apache Tik...
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Pankaj Kumar

java

arrays

inputstream

fileinputstream

datainputstream

Votes: 0

Answers: 0

JFrame with JProgressBar not showing components while reading file

I am writing code to read an Impulse Tracker module file into this object. It opens a JProgressBar while the file loads and displays which part of the file is being loaded. The JFrame that displays th...
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Edward Eddy67716

java

swing

jframe

jprogressbar

datainputstream

Votes: 0

Answers: 0

Java : know how much bytes were read by ImageIO.read() (and maybe other similar methods)

i am making a java program that reads data from a binary stream (using a DataInputStream). Sometimes during this process i need to read a data chunk, however the method (which i cannot modify) that re...
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TwilCynder

java

io

inputstream

datainputstream

Votes: 0

Answers: 2

Latest Answer

All the buffered read methods return the actual number of bytes read. Quoting documentation for InputStream#read(byte[] b): Returns: the total number of bytes read into the buffer, or -1 if there is ...
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Bohemian

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