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UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
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A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
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An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
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The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
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