public class Numbers extends Object
Constructor and Description |
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Numbers() |
Modifier and Type | Method and Description |
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static boolean |
isDigit(char c)
Returns true if the specified character is a base-10 digit.
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static boolean |
isHexDigit(char c)
Returns true if the specified character is a base-16 digit.
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static boolean |
isNumericTypeSpecifier(char c,
boolean isDecimal)
Returns true if the specified character is a valid type specifier
for a numeric value.
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static boolean |
isOctalDigit(char c)
Returns true if the specific character is a base-8 digit.
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static Number |
parseDecimal(String text)
Builds a Number from the given decimal descriptor.
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static Number |
parseInteger(String text)
Builds a Number from the given integer descriptor.
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public static boolean isDigit(char c)
public static boolean isOctalDigit(char c)
public static boolean isHexDigit(char c)
public static boolean isNumericTypeSpecifier(char c, boolean isDecimal)
public static Number parseInteger(String text)
text
- literal text to parseNumberFormatException
- if the number does not fit within the type
requested by the type specifier suffix (invalid numbers don't make
it here)public static Number parseDecimal(String text)
text
- literal text to parseNumberFormatException
- if the number does not fit within the type
requested by the type specifier suffix (invalid numbers don't make
it here)