All static information about a character : 字符 « 数据类型 « Java

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Java » 数据类型 » 字符屏幕截图 
All static information about a character
  

public class Classify {
  public static void main(String[] argsthrows java.io.IOException {
    char c = '\u0beb'// Tamil digit.

    System.out.println("Character = " (intc);
    System.out.println("Defined = " + Character.isDefined(c));
    System.out.println("Digit = " + Character.isDigit(c));
    System.out.println("Ignorable = " + Character.isIdentifierIgnorable(c));
    System.out.println("ISO control = " + Character.isISOControl(c));
    System.out.println("Java identifier part = " + Character.isJavaIdentifierPart(c));
    System.out.println("Java identifier start = " + Character.isJavaIdentifierStart(c));
    System.out.println("Letter = " + Character.isLetter(c));
    System.out.println("Letter or digit = " + Character.isLetterOrDigit(c));
    System.out.println("Lowercase = " + Character.isLowerCase(c));
    System.out.println("Space = " + Character.isSpaceChar(c));
    System.out.println("Titlecase = " + Character.isTitleCase(c));
    System.out.println("Unicode identifier part = " + Character.isUnicodeIdentifierPart(c));
    System.out.println("Unicode identifier start = " + Character.isUnicodeIdentifierStart(c));
    System.out.println("Uppercase = " + Character.isUpperCase(c));
    System.out.println("White space = " + Character.isWhitespace(c));

    byte[] types = Character.COMBINING_SPACING_MARK, Character.CONNECTOR_PUNCTUATION,
        Character.CONTROL, Character.CURRENCY_SYMBOL, Character.DASH_PUNCTUATION,
        Character.DECIMAL_DIGIT_NUMBER, Character.ENCLOSING_MARK, Character.END_PUNCTUATION,
        Character.FORMAT, Character.LETTER_NUMBER, Character.LINE_SEPARATOR,
        Character.LOWERCASE_LETTER, Character.MATH_SYMBOL, Character.MODIFIER_SYMBOL,
        Character.NON_SPACING_MARK, Character.OTHER_LETTER, Character.OTHER_NUMBER,
        Character.OTHER_PUNCTUATION, Character.OTHER_SYMBOL, Character.PARAGRAPH_SEPARATOR,
        Character.PRIVATE_USE, Character.SPACE_SEPARATOR, Character.START_PUNCTUATION,
        Character.SURROGATE, Character.TITLECASE_LETTER, Character.UNASSIGNED,
        Character.UPPERCASE_LETTER };

    String[] typeNames = "Combining spacing mark""Connector punctuation""Control",
        "Currency symbol""Dash punctuation""Decimal digit number""Enclosing mark",
        "End punctuation""Format""Letter number""Line separator""Lowercase letter",
        "Math symbol""Modifier symbol""Non spacing mark""Other letter""Other number",
        "Other punctuation""Other symbol""Paragraph separator""Private use",
        "Space separator""Start punctuation""Surrogate""Titlecase letter""Unassigned",
        "Uppercase letter" };

    int type = Character.getType(c);

    for (int i = 0; i < types.length; i++)
      if (type == types[i]) {
        System.out.println("Type name = " + typeNames[i]);
        break;
      }

    System.out.println("Unicode block = " + Character.UnicodeBlock.of(c));
  }
}

/*Character = 3051
Defined = true
Digit = true
Ignorable = false
ISO control = false
Java identifier part = true
Java identifier start = false
Letter = false
Letter or digit = true
Lowercase = false
Space = false
Titlecase = false
Unicode identifier part = true
Unicode identifier start = false
Uppercase = false
White space = false
Type name = Decimal digit number
Unicode block = TAMIL
*/

   
    
  
Related examples in the same category
1. Java char: char is 16 bit type and used to represent Unicode characters. Range of char is 0 to 65,536.
2. Character class creates primitives that wrap themselves around data items of the char data type
3. Create Character objects and compare them
4. Use Character.isLowerCase, Character.isUpperCase to check the letter case
5. Use Character.isLetter to check if a char is a letter
6. Count letters in a String
7. Use Character.isDigit to check the if a char is a digit
8. Validate if a String contains only numbers
9. Check if a character representing a number
10. Check if a character representing an alphabet
11. If a character is uppercase
12. if a character is lowercase
13. Is character a digit, letter, white space, lower case or upper case character
14. switch with char value
15. Escape Sequence Characters
16. Char is IntChar is Int
17. Convert from integer to ASCII code (byte)
18. Plus one to char variable
19. Store unicode in a char variable
20. Compare Two Java char Arrays
21. Convert from ASCII code to String
22. Copy char array to string
23. Convert to hex
24. Determining a Character's Unicode Block
25. Determining If a String Is a Legal Java Identifier
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