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java.lang classes.
See:
Description
| Class Summary | |
|---|---|
| ArrayUtils | Operations on arrays, primitive arrays (like int[]) and
primitive wrapper arrays (like Integer[]). |
| BitField | Operations on bit-mapped fields. |
| BooleanUtils | Operations on boolean primitives and Boolean objects. |
| CharEncoding | Character encoding names required of every implementation of the Java platform. |
| CharRange | A contiguous range of characters, optionally negated. |
| CharSet | A set of characters. |
| CharSetUtils | Operations on CharSets. |
| CharUtils | Operations on char primitives and Character objects. |
| ClassUtils | Operates on classes without using reflection. |
| LocaleUtils | Operations to assist when working with a Locale. |
| NumberRange | Deprecated. Use one of the Range classes in org.apache.commons.lang.math. |
| NumberUtils | Deprecated. Moved to org.apache.commons.lang.math. |
| ObjectUtils | Operations on Object. |
| ObjectUtils.Null | Class used as a null placeholder where null
has another meaning. |
| RandomStringUtils | Operations for random Strings. |
| SerializationUtils | Assists with the serialization process and performs additional functionality based on serialization. |
| StringEscapeUtils | Escapes and unescapes Strings for
Java, Java Script, HTML, XML, and SQL. |
| StringUtils | Operations on String that are
null safe. |
| SystemUtils |
Helpers for java.lang.System. |
| Validate | This class assists in validating arguments. |
| WordUtils | Operations on Strings that contain words. |
| Exception Summary | |
|---|---|
| IllegalClassException | Thrown when an object is an instance of an unexpected type (a class or interface). |
| IncompleteArgumentException | Thrown to indicate an incomplete argument to a method. |
| NotImplementedException | Thrown to indicate that a block of code has not been implemented. |
| NullArgumentException | Thrown to indicate that an argument was null and should
not have been. |
| SerializationException | Exception thrown when the Serialization process fails. |
| UnhandledException | Thrown when it is impossible or undesirable to consume or throw a checked exception. |
Provides highly reusable static utility methods, chiefly concerned
with adding value to the java.lang classes.
Most of these classes are immutable and thus thread-safe. However Charset is not currently guaranteed thread-safe under all circumstances.
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