Example usage for java.lang Character isWhitespace

Introduction

In this page you can find the example usage for java.lang Character isWhitespace.

Prototype

public static boolean isWhitespace(int codePoint) 

Source Link

Document

Determines if the specified character (Unicode code point) is white space according to Java.

Usage

From source file:Main.java

public static void main(String[] argv) {
    System.out.println("is white space:" + Character.isWhitespace('a'));
    System.out.println("is white space:" + Character.isWhitespace('\n'));
    System.out.println("is white space:" + Character.isWhitespace('\t'));
}

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From source file:MainClass.java

public static void main(String[] args) {
    char symbol = 'A';

    if (Character.isWhitespace(symbol)) {
        System.out.println("true");
    } else {/* w w  w.ja v  a2  s.  c o  m*/
        System.out.println("false");
    }
}

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From source file:MainClass.java

public static void main(String args[]) {

    System.out.println(Character.isWhitespace('a'));
}

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From source file:Main.java

public static void main(String[] args) {
    int cp1 = 0x001c; // represents FILE SEPARATOR
    int cp2 = 0x0abc;

    boolean b1 = Character.isWhitespace(cp1);
    boolean b2 = Character.isWhitespace(cp2);

    System.out.println(b1);// w  ww  . j a  v a2 s .  c om
    System.out.println(b2);
}

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From source file:Main.java

public static void main(String[] args) {
    String str = "5 123,123,qwe,1,123, 25";
    str.chars().filter(n -> !Character.isDigit((char) n) && !Character.isWhitespace((char) n))
            .forEach(n -> System.out.print((char) n));

}

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From source file:IsDemo.java

public static void main(String args[]) {
    char a[] = { 'a', 'b', '5', '?', 'A', ' ' };

    for (int i = 0; i < a.length; i++) {
        if (Character.isDigit(a[i]))
            System.out.println(a[i] + " is a digit.");
        if (Character.isLetter(a[i]))
            System.out.println(a[i] + " is a letter.");
        if (Character.isWhitespace(a[i]))
            System.out.println(a[i] + " is whitespace.");
        if (Character.isUpperCase(a[i]))
            System.out.println(a[i] + " is uppercase.");
        if (Character.isLowerCase(a[i]))
            System.out.println(a[i] + " is lowercase.");
    }//www . jav a 2 s  . co  m
}

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From source file:Main.java

public static void main(String[] args) {

    char a[] = { 'a', 'b', '5', '?', 'A', ' ' };

    for (int i = 0; i < a.length; i++) {

        if (Character.isDigit(a[i]))
            System.out.println(a[i] + "is a digit ");
        if (Character.isLetter(a[i]))
            System.out.println(a[i] + "is a letter ");
        if (Character.isWhitespace(a[i]))
            System.out.println(a[i] + "is a White Space ");
        if (Character.isLowerCase(a[i]))
            System.out.println(a[i] + "is a lower case ");
        if (Character.isLowerCase(a[i]))
            System.out.println(a[i] + "is a upper case ");
    }//from   ww w  .  ja v  a2s. c om

}

---

From source file:StringCharacters.java

public static void main(String[] args) {
    String text = "To be or not to be?";

    int spaces = 0, vowels = 0, letters = 0;

    for (int i = 0; i < text.length(); i++) {
        char ch = Character.toLowerCase(text.charAt(i));
        if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u')
            ++vowels;//from   www  . j  av  a 2  s. c  o m
        if (Character.isLetter(ch))
            ++letters;
        if (Character.isWhitespace(ch))
            ++spaces;
    }
}

---

From source file:Main.java

public static void main(String[] args) throws java.io.IOException {
    char c = 'a';

    System.out.println("Character = " + (int) c);
    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;
        }//from w  w  w .  j  ava2  s  .c  om

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

---

From source file:Classify.java

public static void main(String[] args) throws java.io.IOException {
    char c = '\u0beb'; // Tamil digit.

    System.out.println("Character = " + (int) c);
    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;
        }//from   ww w .j a  v a  2  s.  c  om

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

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