1. PrintWriter and PrintStream never throw IOExceptions stackoverflow.comSome days ago I realized that PrintWriter (as well as PrintStream) never throw an IOException when writing, flushing or closing.
Instead it sets an internal flag ( |
2. Java - Capturing System.err.println or Capturing a PrintStream stackoverflow.comJava Newbie question : I need to capture the text being written to a printStream by a 3rd party component. The PrintStream is defaulted to System.err, but can be changed to another PrintStream. Looking ... |
3. Why does PrintStream.close() end up getting called twice? stackoverflow.comSomewhat to my surprise, the following code prints out "Close" twice. Running through the debugger, it seems
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4. Java: How do I read from PrintStream? stackoverflow.comI am trying to read(append incoming data into a local String) from a PrintStram in the following code block:
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5. Java: PrintStream to String? stackoverflow.comI have a function that takes an object of a certain type, and a |
6. Java: Difference between PrintStream and PrintWriter stackoverflow.comWhat is the difference between |
7. On system.out, clarification needed stackoverflow.comI was looking at someone's code and saw that he repeatedly declared
and later called
I actually thought this was kind of neat. Is this a common practice? Was he ... |
8. How to extract content that is sent to a PrintStream? stackoverflow.comIm using a thirdparty class that has the following method:
But what I want to do is acually log the output. SOmething like:
So what can ... |
9. printstream & printwriter stackoverflow.comhow come System.out.println() method prints character on the screen when out is of type print stream which is used to display bytes |
10. PrintWriter autoflush puzzling logic stackoverflow.compublic PrintWriter(OutputStream out, boolean autoFlush): public PrintStream(OutputStream out, boolean ... |
11. Writer or PrintStream that expands tab chars into spaces at set tab stops stackoverflow.comId like a simple class lets call it Printer that supports richer formatting in addition to limiting decimal number places for doubles etc.
Some interesting ... |
12. Why don't we close `System.out` Stream after using it? stackoverflow.comI just want to know, we usually close streams at the end, but why don't we close |
13. Do I have to close FileOutputStream which is wrapped by PrintStream? stackoverflow.comI'm using FileOutputStream with PrintStream like this:
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14. Read a PrintStream! coderanch.comOk, did I a search here but no real luck. I have this class that as one of the parameters accepts a PrintStream (apparently, since the example uses System.out, which is a PrintStream obj). Now, how do I read this PrintStream obj? The idea here is ofcource not to use System.out, but an object from where I can then examine the ... |
15. How to create PrintStream using PrintWriter coderanch.comHello, I have an interesting problem. I have two instances of PrintWriter (one for out and other for err) in a particular method. In that method, I am loading one more class using class loader and executing a particular method (lets call this as LoadedClass ublic static void main(String[] args) method. Now, whatever output generated by LoadedClass ublic static void main(String[] ... |
16. differents between PrintWriter and PrintStream coderanch.comThe principal difference between using the ...Stream classes and the ...Reader/...Writer classes is that the former deal with raw bytes, while the latter deal with characters. Dealing with characters requires that specific "character encoding" be specified; Unicode in its various shapes (UTF-8, UTF-16, ...) is one such encoding. If you looks at the javadocs for PrintStream.print you'll see that it uses ... |
17. PrintStream problems coderanch.comHi, I'm having problems with PrintStreams. I've created a program which reads and writes data on a socket, using BufferedReader and PrintStreams. If there is data going both ways it works okay. If there is data to send but none to receive i keep getting intermittent errors when i try writing to the socket. Below is a test program that i've ... |
18. what is the difference between printStream and PrintWriter? coderanch.compublic class PrintStream extends FilterOutputStream A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently. Two other features are provided as well. Unlike other output streams, a PrintStream never throws an IOException; instead, exceptional situations merely set an internal flag that can be tested via the checkError method. Optionally, a PrintStream can ... |
19. PrintStream class coderanch.comSingle quotes (like this: 'c' ) in Java do not mean a String -- they mean a character constant. The type of a character constant is char, and char is just an unsigned 16-bit integer. '\n' is a special character constant that stands for the newline character; the Unicode value is 10 . You can always assign a narrower integral value ... |
20. Dataoutputstream VS printstream coderanch.com |
21. PrintStream & PrintWriter coderanch.com |
22. PrintStream file manipulation java-forums.orgI was just wondering is there anyway to use printStream without overriding the content that is previous stored within a file. for example if i have a file that I previously written content to and now want to read in the same file to manipulate again using a PrintStream object overrides what was previous written. How can i afford this? |
23. Custom terminator for PrintStream forums.oracle.com |
24. PrintStream forums.oracle.comI've set up a PrintStream: PrintStream p = new PrintStream(outFile); and whenever I use p.println(string). In the output file it prints OD once its printed the given string. I've used a printstream many times before and this has never happened. Can anyone tell my why this is happening and how I can fix it? |
25. Why System.out.println not PrintStream.println ? forums.oracle.comAccording to the api: A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently. Two other features are provided as well. Unlike other output streams, a PrintStream never throws an IOException; instead, exceptional situations merely set an internal flag that can be tested via the checkError method. Optionally, a PrintStream can be ... |
26. Can you make it clear how 'System.out' is able to instantiate PrintStream? forums.oracle.comI tried my best to create a class variable and then instantiate it with PrintStream class, but, the only way to do it is: static PrintStream myObj; myObj = new PrintStream(System.out); Can you make it clear how 'System.out' is able to instantiate PrintStream class so that i instantiate my class variable myObj in same way? |
27. printStream.println forums.oracle.com |
28. PrintStream and PrintWriter forums.oracle.comHi, Could anybody tell me the difference between PrintStream and PrintWriter ? I know that the first one operates on 8 bits streams whereas the second one on 16 bits streams. Why could the first one not handle Unicodes properly ? Could anybody give some explanation on that ? The main purpose for PrintStream is to provide ability to "print representations ... |
29. PrintStream+xls forums.oracle.comThe Excel .xls format is a proprietary binary format. The file you produced has the right extension, but the wrong format. I recommend you use a simple text format such as tab delimited, if Matlab supports that. If you must write true Excel files, you'll need to use one of the libraries that support this, like POI |
30. PrintStream help forums.oracle.comIt's weird because customers is an instance kind of data, and you're apparently making it static. It's weird to have a constructor initialize static data. It's a little unusual to have a constructor modify static state that isn't about instances, but not weird. But it's definitely weird for a constructor to initialize static data. |