A Scanner breaks its input into tokens using a delimiter pattern, which by default matches whitespace. The resulting tokens may then be converted into values of different types using the various next methods. For example, this code allows a user to read a number from System.in: Scanner sc = new Scanner(System.in); int i = sc.nextInt(); As another example, this code allows long types to be assigned from entries in a file myNumbers: Scanner sc = new Scanner(new File("myNumbers")); while (sc.hasNextLong()) { long aLong = sc.nextLong(); } The scanner can also use delimiters other than whitespace. This example reads several items in from a string: String input = "1 fish 2 fish red fish blue fish"; Scanner s = new Scanner(input).useDelimiter("\\s*fish\\s*"); System.out.println(s.nextInt()); System.out.println(s.nextInt()); System.out.println(s.next()); System.out.println(s.next()); s.close(); prints the following output: 1 2 red blue The same output can be generated with this code, which uses a regular expression to parse all four tokens at once: String input = "1 fish 2 fish red fish blue fish"; Scanner s = new Scanner(input); s.findInLine("(\\d+) fish (\\d+) fish (\\w+) fish (\\w+)"); MatchResult result = s.match(); for (int i=1; i
The scanner can also use delimiters other than whitespace. This example reads several items in from a string: Copy String input = "1 fish 2 fish red fish blue fish"; Scanner s = new Scanner(input).useDelimiter("\\s*fish\\s*"); System.out.println(s.nextInt()); System.out.println(s.nextInt()); System.out.println(s.next()); System.out.println(s.next()); s.close();
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The default whitespace delimiter used by a scanner is as recognized by Character.isWhitespace(). The reset() method will reset the value of the scanner's delimiter to the default whitespace delimiter regardless of whether it was previously changed.
A scanner can read text from any object which implements the Readable interface. If an invocation of the underlying readable's read() method throws an IOException then the scanner assumes that the end of the input has been reached. The most recent IOException thrown by the underlying readable can be retrieved via the ioException() method.
A scanner will default to interpreting numbers as decimal unless a different radix has been set by using the useRadix(int) method. The reset() method will reset the value of the scanner's radix to 10 regardless of whether it was previously changed.
An instance of this class is capable of scanning numbers in the standard formats as well as in the formats of the scanner's locale. A scanner's initial locale is the value returned by the Locale.getDefault(Locale.Category.FORMAT) method; it may be changed via the useLocale() method. The reset() method will reset the value of the scanner's locale to the initial locale regardless of whether it was previously changed.
If this scanner has not yet been closed then if its underlying readable also implements the Closeable interface then the readable's close method will be invoked. If this scanner is already closed then invoking this method will have no effect.
This method searches through the input up to the specified search horizon, ignoring delimiters. If the pattern is found the scanner advances past the input that matched and returns the string that matched the pattern. If no such pattern is detected then the null is returned and the scanner's position remains unchanged. This method may block waiting for input that matches the pattern.
A scanner will never search more than horizon code points beyond its current position. Note that a match may be clipped by the horizon; that is, an arbitrary match result may have been different if the horizon had been larger. The scanner treats the horizon as a transparent, non-anchoring bound (see Matcher.useTransparentBounds(boolean) and Matcher.useAnchoringBounds(boolean)).
Since this method seeks to match the specified pattern starting at the scanner's current position, patterns that can match a lot of input (".*", for example) may cause the scanner to buffer a large amount of input.
An invocation of this method of the form scanner.reset() behaves in exactly the same way as the invocation scanner.useDelimiter("\\p{javaWhitespace}+") .useLocale(Locale.getDefault(Locale.Category.FORMAT)) .useRadix(10);
Scanning starts upon initiation of the terminal stream operation, using the current state of this scanner. Subsequent calls to any methods on this scanner other than close() and ioException() may return undefined results or may cause undefined effects on the returned stream. The returned stream's source Spliterator is fail-fast and will, on a best-effort basis, throw a ConcurrentModificationException if any such calls are detected during stream pipeline execution.
If this scanner contains a resource that must be released, this scanner should be closed, either by calling its close() method, or by closing the returned stream. Closing the stream will close the underlying scanner. IllegalStateException is thrown if the scanner has been closed when this method is called, or if this scanner is closed during stream pipeline execution.
MIRACO can do almost the same things as the MINI, POP Series, and RANGE 3D scanners. However, the MINI is slightly better at capturing fine details than MIRACO as its fused point distance is up to 0.02mm while MIRACO's is up to 0.05mm. And the RANGE and POP series are compact, lighter, cheaper, and still great 3D scanning solutions if you only need to scan one particular object size.
The MIRACO is unsuitable for scanning objects smaller than its minimum scan volume of 10mm x 10mm x 10mm. And similar to most 3D scanners, it may have difficulty with highly reflective or transparent objects. This can be overcome using a 3D scanning spray to coat the object's surface, which can help achieve effective scanning results.
I have a Canon R40 ImageFormula scanner. A few months back, it stopped working. The included software wouldn't work. Said it had a "TWAIN" error. I tried every suggestion folks put out there. Uninstalling and reinstalling the driver, the whole software package, etc. No luck with any of that.
So I have a useless scanner and an ever-increasing stack of documents I can't scan. It may be that a Microsoft update changed something and that started this whole issue. I wouldn't really know. I'm an end user, not a tech guy. What I do know is, the device I paid Canon hundreds of dollars for isn't working. I'd really appreciate a solution. For that matter, even some courtesy, where a Canon representative says, "yes, we know, and we're working on a fix" and a timeframe for when this will be done would be nice. Can someone please get on this?
Thanks for the suggestion. VueScan says it can't see the scanner, either. I'm pretty sure it's a Windows issue that started this, but in the end, it's Canon's issue, since they need their software to keep up with whatever crap Microsoft has now inflicted upon us. (I paid Canon for a scanner, and I want it to work.) Anyhow, thanks for that suggestion!
So it sure looks like Canon is treating this as support. And I'm not expecting immediate results. I've been living with a non-working scanner for months, as well as asking here. So any chance Canon will come up with a solution soon?
I called Canon support after having this problem following an upgrade to Win 11. They instructed me to run the "Restoration Tool for Windows Registry" found on the Drivers and Downloads page under the Utilities tab. The "Readme" file included explains that it solves a Windows registry inconsistency that can keep the scanner from being recognized by Windows.
I have the fi-7160 scanner installed and working, just thought I would share the experience and ask a follow-on question. At first the scanner driver was setup for blank page removal by default, and it took some looking to find out how to turn it off. (I thought it made more sense to do it via LF Scan where it was easier for users to tweak if necessary.) I had to launch the PaperStream Capture software and click the 'Config' icon on the toolbar to access the three default profiles. In the B&W default profile I had to set the Scanner Name from a dropdown, then I could click the Driver Profile button and under the Page options section could disable blank page detection.
For customers that I have worked with that have this scanner or one of a lower model number that use Paperstream I set up the profiles for them for both black and white and color. I have the default scanner software running. I do this by clicking the red check box icon in the scan window and select the radio button.
This structured-light 3D scanner is the ideal choice for making quick, textured, and accurate 3D models of medium-sized objects such as a human bust, an alloy wheel, or a motorcycle exhaust system. It scans quickly, capturing precise measurements in high resolution.
Light, fast, and versatile, Eva is our most popular scanner and a market leader in handheld 3D scanners. Based on safe-to-use structured-light scanning technology, it is an excellent all-around solution for capturing objects of almost any kind, including objects with black and shiny surfaces. ff782bc1db
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