How To Create A New Scanner In Java
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private void myMethod ()
{
}
System.out. println ( "Enter your username: " ); Scanner scanner = new Scanner (System.in); String username = scanner. nextLine (); System.out. println ( "Your username is " + username);
private String readLine(String prompt) { System.out. print (prompt); return IN. nextLine (); }
private static void abortIfUserIsNotSure( final String message) { if (FORCE) { return ; } System.out. println (message); System.out. print ( "Are you sure? [Y/N] ?: " ); try { java.awt.Toolkit.getDefaultToolkit().beep(); } catch (final Throwable t) { } final String line = new Scanner (System.in). nextLine ().toUpperCase().trim(); if (!line.equals( "Y" ) && !line.equals( "YES" )) { System.err. println ( "User aborted." ); System.exit( 0 ); } }
private static void getPersonDetails( final Scanner scanner, final PersonService service) { while ( true ) { System.out. print ( "Please enter the name of the person and press<enter>: " ); String input = scanner. nextLine (); final List<Person> personList = service.findPersonByName(input); if (personList != null && !personList.isEmpty()) { for (Person person:personList) { System.out. print ( String.format( "Person found - Person Id: '%d', Person Name is: '%s', Gender: '%s'" , person.getPersonId(),person.getName(), person.getGender())); System.out. println (String.format( ", Date of birth: '%1$td/%1$tm/%1$tC%1$ty'" , person.getDateOfBirth())); } } else { System.out. println ( String.format( "No Person record found for name: '%s'." , input)); } System.out. print ( "Do you want to find another person? (y/n)" ); String choice = scanner. nextLine (); if (! "y" .equalsIgnoreCase(choice)) { break ; } } } }
File mountFile = new File ( "/proc/mounts" ); if (mountFile.exists()){ Scanner scanner = new Scanner (mountFile); while (scanner.hasNext()) { String line = scanner. nextLine (); if (line.startsWith( "/dev/block/vold/" )) { String[] lineElements = line.split( " " ); File voldFile = new File ( "/system/etc/vold.fstab" ); if (voldFile.exists()){ Scanner scanner = new Scanner (voldFile); while (scanner.hasNext()) { String line = scanner. nextLine (); if (line.startsWith( "dev_mount" )) { String[] lineElements = line.split( " " ); File root = new File (mount); if (root.exists() && root.isDirectory() && root.canWrite()) { File[] list = root.listFiles();
int nnames; String names[]; System.out. print ( "How many names are you going to save: " ); Scanner in = new Scanner (System.in); nnames = Integer.parseInt(in. nextLine ().trim()); names = new String[nnames]; for ( int i = 0 ; i < names.length; i++){ System.out. print ( "Type a name: " ); names[i] = in. nextLine (); }
private static int width(String string) { int maxWidth = 0 ; try (Scanner scanner = new Scanner ( new StringReader(string))) { while (scanner. hasNextLine ()) { maxWidth = max(length(scanner. nextLine ()), maxWidth); } } return maxWidth; }
@Override public void run(ResourceManager resourceManager, String... args) { String projectId = args[ 0 ]; System.out.printf( "Going to delete project \"%s\". Are you sure [y/N]: " , projectId); Scanner scanner = new Scanner (System.in); if (scanner. nextLine ().toLowerCase().equals( "y" )) { resourceManager.delete(projectId); System.out.printf( "Successfully deleted project %s.%n" , projectId); } else { System.out.printf( "Will not delete project %s.%n" , projectId); } scanner. close (); }
@Override public Resource transform(HttpServletRequest request, Resource resource, ResourceTransformerChain chain) throws IOException { resource = chain.transform(request, resource); if (! this .fileExtension.equals(StringUtils.getFilenameExtension(resource.getFilename()))) { return resource; } byte [] bytes = FileCopyUtils.copyToByteArray(resource.getInputStream()); String content = new String(bytes, DEFAULT_CHARSET); if (!content.startsWith(MANIFEST_HEADER)) { if (logger.isTraceEnabled()) { logger.trace( "Skipping " + resource + ": Manifest does not start with 'CACHE MANIFEST'" ); } return resource; } @SuppressWarnings( "resource" ) Scanner scanner = new Scanner (content); LineInfo previous = null; LineAggregator aggregator = new LineAggregator(resource, content); while (scanner.hasNext()) { String line = scanner. nextLine (); LineInfo current = new LineInfo(line, previous); LineOutput lineOutput = processLine(current, request, resource, chain); aggregator.add(lineOutput); previous = current; } return aggregator.createResource(); }
class myProg { public static void main(String[] args) { Scanner sc = new Scanner (System.in); System.out. println ( "Printing the file passed in:" ); while (sc. hasNextLine ()) System.out. println (sc. nextLine ()); } }
public class ConsoleReadingDemo { public static void main(String[] args) { BufferedReader reader = new BufferedReader( new InputStreamReader(System.in)); System.out. print ( "Please enter user name : " ); String username = null; try { username = reader.readLine(); } catch (IOException e) { e.printStackTrace(); } System.out. println ( "You entered : " + username); Scanner in = new Scanner (System.in); System.out. print ( "Please enter user name : " ); username = in. nextLine (); System.out. println ( "You entered : " + username); Console console = System.console(); username = console.readLine( "Please enter user name : " ); System.out. println ( "You entered : " + username); } }
private static String readKey(String key) { Scanner stdin = new Scanner (System.in); System.out. println ( "Choose a Spider demo:" ); for (Map.Entry<String, Class> classEntry : clazzMap.entrySet()) { System.out. println (classEntry.getKey()+ "\t" + classEntry.getValue() + "\t" + urlMap.get(classEntry.getKey())); } while (key == null) { key = stdin. nextLine (); if (clazzMap.get(key) == null) { System.out. println ( "Invalid choice!" ); key = null; } } return key; } }
private static void createPersonDetails( final Scanner scanner,PersonService service) { while ( true ) { System.out. print ( "\nEnter the Person's name:" ); String name = scanner. nextLine (); Gender gender; while ( true ) { System.out. print ( "Enter the Person's gender(M/F):" ); String genderStr = scanner. nextLine (); if ( "m" .equalsIgnoreCase(genderStr) || "f" .equalsIgnoreCase(genderStr)) { gender = Gender.getGenderByIdentifier(genderStr.toUpperCase()); SimpleDateFormat format = new SimpleDateFormat( "dd/MM/yyyy" ); while ( true ) { System.out. print ( "Enter the Person's Date of birth in DD/MM/YYYY format:" ); String dobStr = scanner. nextLine (); try { dateOfBirth = format.parse(dobStr); person.setName(name); person = service.createPerson(person); System.out. println ( "Created person record with id: " + person.getPersonId()); System.out. print ( "Do you want to create another person? (y/n)" ); String choice = scanner. nextLine (); if (! "y" .equalsIgnoreCase(choice)) { break ;
.map(String::trim) .map(path -> path.replaceAll( "^~" , "$HOME" )) .map(path -> new File (path).exists() ? path : StringUtils.expandEnvironmentVariables(path)) .toArray(String[]:: new ); } else if (! "" .equals(props.getProperty( "" , "" ))) { Scanner scanner = new Scanner (System.in); String line; try { line = scanner. nextLine (); } catch (NoSuchElementException e) { log.info( "No lines found on standard in" ); processDocument(pipeline, "stdin" , line); try { line = scanner. nextLine (); } catch (NoSuchElementException e) { return ; if (! new File (file).exists() || ! new File (file).canRead()) { log.error( "Cannot read file (or file does not exist: '" + file + '\'' );
private static void pauseToAwaitProfiler() { Scanner scan = new Scanner (System.in); String in; do { System.out. print ( "Start profiler. Continue (Y/N)? " ); in = scan. nextLine ().toLowerCase(Locale.ROOT); } while (!in.equals( "y" ) && !in.equals( "n" )); if (in.equals( "n" )) { System.exit( 1 ); } }
private static int width(String string) { int maxWidth = 0 ; try (Scanner scanner = new Scanner ( new StringReader(string))) { while (scanner. hasNextLine ()) { maxWidth = max(length(scanner. nextLine ()), maxWidth); } } return maxWidth; }
private Address readNewAddress(PrintStream out, Scanner scanner) { Address a = new Address(); out. print ( "Street name (NULL for null): " ); a.setStreetName(convertString(scanner. nextLine (), "" )); out. print ( "House number: " ); a.setHouseNumber(convertStringToInteger(scanner. nextLine (), 0 )); out. print ( "Flat number: " ); a.setFlatNumber(convertStringToInteger(scanner. nextLine (), 0 )); a.setPersons( new HashSet<Person>()); return a; }
private static String checkGpuAnalyzerVersion(){ try { ProcessBuilder pb = new ProcessBuilder( "GPUShaderAnalyzer" , "-ListModules" ); Process p = pb.start(); Scanner scan = new Scanner (p.getInputStream()); String ln = scan. nextLine (); scan. close (); p.destroy(); return ln; } catch (IOException ex) { logger.log(Level.SEVERE, "IOEx" , ex); } return null; }
How To Create A New Scanner In Java
Source: https://www.tabnine.com/code/java/methods/java.util.Scanner/nextLine
Posted by: simmonsrons1966.blogspot.com
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