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 CharSet s. |
CharUtils |
Operations on char primitives and Character objects. |
ClassUtils |
Operates on classes without using reflection. |
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 String s. |
SerializationUtils |
Assists with the serialization process and performs additional functionality based
on serialization. |
StringEscapeUtils |
Escapes and unescapes String s for
Java, Java Script, HTML, XML, and SQL. |
StringUtils |
Operations on String that are
null safe. |
SystemUtils |
Helpers for java.lang.System . |
Validate |
Assists in validating arguments. |
WordUtils |
Operations on Strings that contain words. |
Provides highly reusable static utility methods, chiefly concerned
with adding value to java.lang and other standard core classes.