Librerias

java.applet Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.color Provides classes for color spaces.
java.awt.datatransfer Provides interfaces and classes for transferring data between and within applications.java.awt.dnd Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.event Provides interfaces and classes for dealing with different types of events fired by AWT components.
java.awt.font Provides classes andinterface relating to fonts.
java.awt.geom Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
java.awt.im Provides classes and interfaces for the input method framework.
java.awt.im.spi Provides interfaces that enable the development of input methods that can be used with any Java runtime environment.
java.awt.image Provides classes forcreating and modifying images.
java.awt.image.renderable Provides classes and interfaces for producing rendering-independent images.
java.awt.print Provides classes and interfaces for a general printing API.
java.beans Contains classes related to developing beans -- components based on the JavaBeansTM architecture.
java.beans.beancontext Provides classes and interfaces relating to beancontext.
java.io Provides for system input and output through data streams, serialization and the file system.
java.lang Provides classes that are fundamental to the design of the Java programming language.
java.lang.annotation Provides library support for the Java programming language annotation facility.
java.lang.instrument Provides services that allow Java programming language agents toinstrument programs running on the JVM.
java.lang.management Provides the management interface for monitoring and management of the Java virtual machine as well as the operating system on which the Java virtual machine is running.
java.lang.ref Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
java.lang.reflect Provides classes and interfacesfor obtaining reflective information about classes and objects.
java.math Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal).
java.net Provides the classes for implementing networking applications.
java.nio Defines buffers, which are containers for data, and provides an overview of the other NIO packages.java.nio.channels Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi Service-provider classes for the java.nio.channels package.
java.nio.charset Defines charsets, decoders, and encoders, for translating between bytes and Unicodecharacters.
java.nio.charset.spi Service-provider classes for the java.nio.charset package.
java.rmi Provides the RMI package.
java.rmi.activation Provides support for RMI Object Activation.
java.rmi.dgc Provides classes and interface for RMI distributed garbage-collection (DGC).
java.rmi.registry Provides a class and two interfaces for the RMI registry.
java.rmi.server Provides classes andinterfaces for supporting the server side of RMI.
java.security Provides the classes and interfaces for the security framework.
java.security.acl The classes and interfaces in this package have been superseded by classes in the java.security package.
java.security.cert Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification...