java.lang.Character.isDigit()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
字(5.8k)|赞(0)|评价(0)|浏览(349)

本文整理了Java中java.lang.Character.isDigit()方法的一些代码示例，展示了Character.isDigit()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Character.isDigit()方法的具体详情如下：
包路径：java.lang.Character
类名称：Character
方法名：isDigit

Character.isDigit介绍

[英]Indicates whether the specified character is a digit.
[中]指示指定的字符是否为数字。

代码示例

代码示例来源：origin: google/guava

@Override
public boolean matches(char c) {
 return Character.isDigit(c);
}

代码示例来源：origin: libgdx/libgdx

public boolean acceptChar (TextField textField, char c) {
    return Character.isDigit(c);
  }
}

代码示例来源：origin: libgdx/libgdx

public boolean acceptChar (TextField textField, char c) {
    return Character.isDigit(c);
  }
}

代码示例来源：origin: prestodb/presto

@Override
public boolean matches(char c) {
 return Character.isDigit(c);
}

代码示例来源：origin: apache/incubator-dubbo

public static boolean isNumeric(String str) {
  if (str == null) {
    return false;
  }
  int sz = str.length();
  for (int i = 0; i < sz; i++) {
    if (!Character.isDigit(str.charAt(i))) {
      return false;
    }
  }
  return true;
}

代码示例来源：origin: apache/incubator-dubbo

public static boolean isNumeric(String str) {
  if (str == null) {
    return false;
  }
  int sz = str.length();
  for (int i = 0; i < sz; i++) {
    if (!Character.isDigit(str.charAt(i))) {
      return false;
    }
  }
  return true;
}

代码示例来源：origin: stackoverflow.com

public static boolean isNumeric(String str)
{
  for (char c : str.toCharArray())
  {
    if (!Character.isDigit(c)) return false;
  }
  return true;
}

代码示例来源：origin: apache/incubator-dubbo

private static String getDigital(String v) {
  int index = 0;
  for (int i = 0; i < v.length(); i++) {
    char c = v.charAt(i);
    if (Character.isDigit(c)) {
      if (i == v.length() - 1) {
        index = i + 1;
      } else {
        index = i;
      }
    } else {
      index = i;
      break;
    }
  }
  return v.substring(0, index);
}

代码示例来源：origin: apache/incubator-dubbo

private static String getDigital(String v) {
  int index = 0;
  for (int i = 0; i < v.length(); i++) {
    char c = v.charAt(i);
    if (Character.isDigit(c)) {
      if (i == v.length() - 1) {
        index = i + 1;
      } else {
        index = i;
      }
    } else {
      index = i;
      break;
    }
  }
  return v.substring(0, index);
}

代码示例来源：origin: spring-projects/spring-framework

@Override
public Instant parse(String text, Locale locale) throws ParseException {
  if (text.length() > 0 && Character.isDigit(text.charAt(0))) {
    // assuming UTC instant a la "2007-12-03T10:15:30.00Z"
    return Instant.parse(text);
  }
  else {
    // assuming RFC-1123 value a la "Tue, 3 Jun 2008 11:05:30 GMT"
    return Instant.from(DateTimeFormatter.RFC_1123_DATE_TIME.parse(text));
  }
}

代码示例来源：origin: stanfordnlp/CoreNLP

protected static boolean containsNumber(String s) {
 if (s == null) {
  return false;
 }
 for (int i = 0, len = s.length(); i < len; i++) {
  if (Character.isDigit(s.charAt(i))) {
   return true;
  }
 }
 return false;
}

代码示例来源：origin: stanfordnlp/CoreNLP

private static boolean isDigits(String in) {
 for (int i = 0, len = in.length(); i < len; i++) {
  if ( ! Character.isDigit(in.charAt(i))) {
 return false;
  }
 }
 return true;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Determine whether the given method is a CGLIB 'renamed' method,
 * following the pattern "CGLIB$methodName$0".
 * @param renamedMethod the method to check
 * @see org.springframework.cglib.proxy.Enhancer#rename
 */
public static boolean isCglibRenamedMethod(Method renamedMethod) {
  String name = renamedMethod.getName();
  if (name.startsWith(CGLIB_RENAMED_METHOD_PREFIX)) {
    int i = name.length() - 1;
    while (i >= 0 && Character.isDigit(name.charAt(i))) {
      i--;
    }
    return ((i > CGLIB_RENAMED_METHOD_PREFIX.length()) &&
          (i < name.length() - 1) && name.charAt(i) == '$');
  }
  return false;
}

代码示例来源：origin: org.apache.commons/commons-lang3

private static boolean withDecimalsParsing(final String str, final int beginIdx) {
  int decimalPoints = 0;
  for (int i = beginIdx; i < str.length(); i++) {
    final boolean isDecimalPoint = str.charAt(i) == '.';
    if (isDecimalPoint) {
      decimalPoints++;
    }
    if (decimalPoints > 1) {
      return false;
    }
    if (!isDecimalPoint && !Character.isDigit(str.charAt(i))) {
      return false;
    }
  }
  return true;
}

代码示例来源：origin: neo4j/neo4j

static int fieldPropertyNumber( String fieldName )
{
  int index = 0;
  for ( int i = 0; i < fieldName.length() && Character.isDigit( fieldName.charAt( i ) ); i++ )
  {
    index++;
  }
  return index == 0 ? 0 : Integer.parseInt( fieldName.substring( 0, index ) );
}

代码示例来源：origin: stanfordnlp/CoreNLP

protected static boolean containsAlphanumeric(String s) {
 if (s == null) {
  return false;
 }
 for (int i = 0, len = s.length(); i < len; i++) {
  if (Character.isLetter(s.charAt(i)) || Character.isDigit(s.charAt(i))) {
   return true;
  }
 }
 return false;
}

代码示例来源：origin: org.springframework/spring-context

@Override
public Instant parse(String text, Locale locale) throws ParseException {
  if (text.length() > 0 && Character.isDigit(text.charAt(0))) {
    // assuming UTC instant a la "2007-12-03T10:15:30.00Z"
    return Instant.parse(text);
  }
  else {
    // assuming RFC-1123 value a la "Tue, 3 Jun 2008 11:05:30 GMT"
    return Instant.from(DateTimeFormatter.RFC_1123_DATE_TIME.parse(text));
  }
}

代码示例来源：origin: stanfordnlp/CoreNLP

public static Symbol cannonicalSymbol(char ch) {
 if (Character.isDigit(ch)) {
  return DIGIT; //{ Digits.add(new Character(ch)); return DIGIT; }
 }
 if (Character.getNumericValue(ch) >= 10 && Character.getNumericValue(ch) <= 35) {
  return LETTER; //{ Letters.add(new Character(ch)); return LETTER; }
 }
 return new Symbol(ch);
}

代码示例来源：origin: redisson/redisson

protected String readNums() {
  skipWS();
  int pos = in.position();
  int ch = in.readChar();
  while (Character.isDigit(ch) || ch == '.' || ch == 'E' || ch == 'e' || ch == '+' || ch == '-' || ch == '_') {
    ch = in.readChar();
  }
  in.back(1);
  return in.getString(pos, in.position() - pos).replace("_","");
}

代码示例来源：origin: skylot/jadx

private void checkClassName(ClassNode cls) {
  ClassInfo classInfo = cls.getClassInfo();
  ClassInfo alias = classInfo.getAlias();
  String clsName = alias.getShortName();
  String newShortName = null;
  char firstChar = clsName.charAt(0);
  if (Character.isDigit(firstChar)) {
    newShortName = Consts.ANONYMOUS_CLASS_PREFIX + clsName;
  } else if (firstChar == '$') {
    newShortName = "C" + clsName;
  }
  if (newShortName != null) {
    classInfo.rename(cls.root(), alias.makeFullClsName(newShortName, true));
  }
  if (alias.getPackage().isEmpty()) {
    String fullName = alias.makeFullClsName(alias.getShortName(), true);
    String newFullName = Consts.DEFAULT_PACKAGE_NAME + "." + fullName;
    classInfo.rename(cls.root(), newFullName);
  }
}

内容来源于网络，如有侵权，请联系作者删除！

Character

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多

    Character类方法

    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com