但是扫描功能不方便使用,无法简单使用: sudo sane-find-scanner scanimage -L 这两步完成配置(未成功...
public static void move(){ System.out.println("What do you want to do?"); Scanner scan = new Scanner(System.in); int userMove = scan.nextInt(); return userMove; }public static void usersMove(String playerName, int gesture){ int userMove = move(); if (userMove == -1) { break...
These methods will attempt to match the specified pattern with no regard to delimiters in the input and thus can be used in special circumstances where delimiters are not relevant. These methods may block waiting for more input. When a scanner throws an InputMismatchException, the scanner will...
NO.13 java.util.InputMismatchException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException java.util.NoSuchElementException java.util.InputMismatchException 由Scanner 抛出,表明用于检索的标记与期望类型的模式不匹配,或者该标记处在期望类型的范围之外。 NO.14 java.io.IOExcepti...
These methods will attempt to match the specified pattern with no regard to delimiters in the input and thus can be used in special circumstances where delimiters are not relevant. These methods may block waiting for more input. When a scanner throws an InputMismatchException, the scanner will...
Returns: A double value containing the number represented by the token. Throws: InputMismatchException - If the token does not represent a valid number. NoSuchElementException - If there are no more tokens in the scanner. IllegalStateException - If the scanner has been closed. ...
InputMismatchException由 Scanner 抛出,表明获取的标记与期望类型的模式不匹配,或者该标记超出期望类型的范围。 JMRuntimeException由 JMX 实现所发出的运行时异常。 KeyAlreadyExistsException当添加到表格数据 实例的行索引已用于引用此表格数据 实例中的另一行时,抛出此运行时异常。
import java.util.*; class RunoobTest { public static void main(String[] args) throws IOException{ try (Scanner scanner = new Scanner(new File("testRead.txt")); PrintWriter writer = new PrintWriter(new File("testWrite.txt"))) { while (scanner.hasNext()) { writer.print(scanner.nextLine(...
* @throws NoSuchElementException if no line was found * @throws IllegalStateException if this scanner is closed */ public String nextLine() { if (hasNextPattern == linePattern()) return getCachedResult(); clearCaches(); String result = findWithinHorizon(linePattern, 0); ...
IllegalFormatWidthException 當格式寬度是非或不支援的 -1 負值時,所擲回的未核取例外狀況。 IllformedLocaleException 由和Locale.Builder 中Locale 的方法擲回,表示引數不是格式正確的 BCP 47 標記。 InputMismatchException 擲Scanner 回,表示擷取的權杖不符合預期類型的模式,或權杖超出預期類型的範圍。 IntSumm...