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## J

JANUARY - Static variable in class java.util.Calendar
  Value of the `MONTH` field indicating the first month of the year.
JAPAN - Static variable in class java.util.Locale
  Useful constant for country.
JAPANESE - Static variable in class java.util.Locale
  Useful constant for language.
JarEntry - class java.util.jar.JarEntry.
  This class is used to represent a JAR file entry.
JarEntry(JarEntry) - Constructor for class java.util.jar.JarEntry
  Creates a new `JarEntry` with fields taken from the specified `JarEntry` object.
JarEntry(String) - Constructor for class java.util.jar.JarEntry
  Creates a new `JarEntry` for the specified JAR file entry name.
JarEntry(ZipEntry) - Constructor for class java.util.jar.JarEntry
  Creates a new `JarEntry` with fields taken from the specified `ZipEntry` object.
JarException - exception java.util.jar.JarException.
  Signals that an error of some sort has occurred while reading from or writing to a JAR file.
JarException() - Constructor for class java.util.jar.JarException
  Constructs a JarException with no detail message.
JarException(String) - Constructor for class java.util.jar.JarException
  Constructs a JarException with the specified detail message.
JarFile - class java.util.jar.JarFile.
  The `JarFile` class is used to read the contents of a JAR file from any file that can be opened with `java.io.RandomAccessFile`.
JarFile(File) - Constructor for class java.util.jar.JarFile
  Creates a new `JarFile` to read from the specified `File` object.
JarFile(File, boolean) - Constructor for class java.util.jar.JarFile
  Creates a new `JarFile` to read from the specified `File` object.
JarFile(File, boolean, int) - Constructor for class java.util.jar.JarFile
  Creates a new `JarFile` to read from the specified `File` object in the specified mode.
JarFile(String) - Constructor for class java.util.jar.JarFile
  Creates a new `JarFile` to read from the specified file `name`.
JarFile(String, boolean) - Constructor for class java.util.jar.JarFile
  Creates a new `JarFile` to read from the specified file `name`.
jarFileURLConnection - Variable in class java.net.JarURLConnection
  The connection to the JAR file URL, if the connection has been initiated.
JarInputStream - class java.util.jar.JarInputStream.
  The `JarInputStream` class is used to read the contents of a JAR file from any input stream.
JarInputStream(InputStream) - Constructor for class java.util.jar.JarInputStream
  Creates a new `JarInputStream` and reads the optional manifest.
JarInputStream(InputStream, boolean) - Constructor for class java.util.jar.JarInputStream
  Creates a new `JarInputStream` and reads the optional manifest.
JarOutputStream - class java.util.jar.JarOutputStream.
  The `JarOutputStream` class is used to write the contents of a JAR file to any output stream.
JarOutputStream(OutputStream) - Constructor for class java.util.jar.JarOutputStream
  Creates a new `JarOutputStream` with no manifest.
JarOutputStream(OutputStream, Manifest) - Constructor for class java.util.jar.JarOutputStream
  Creates a new `JarOutputStream` with the specified `Manifest`.
JarURLConnection - class java.net.JarURLConnection.
  A URL Connection to a Java ARchive (JAR) file or an entry in a JAR file.
JarURLConnection(URL) - Constructor for class java.net.JarURLConnection
  Creates the new JarURLConnection to the specified URL.
java.awt - package java.awt
java.io - package java.io
  Provides for system input and output through data streams, serialization and the file system.
java.lang - package java.lang
  Provides classes that are fundamental to the design of the Java programming language.
java.lang.ref - package java.lang.ref
  Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
java.lang.reflect - package java.lang.reflect
  Provides classes and interfaces for obtaining reflective information about classes and objects.
java.math - package java.math
java.net - package java.net
  Provides the classes for implementing networking applications.
java.security - package java.security
  Provides the classes and interfaces for the security framework.
java.security.acl - package java.security.acl
  The classes and interfaces in this package have been superseded by classes in the java.security package.
java.security.cert - package java.security.cert
  Provides classes and interfaces for parsing and managing certificates.
java.security.interfaces - package java.security.interfaces
  Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
java.security.spec - package java.security.spec
  Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.text - package java.text
  Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
java.text.resources - package java.text.resources
java.util - package java.util
  Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
java.util.jar - package java.util.jar
  Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.zip - package java.util.zip
  Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.microedition.io - package javax.microedition.io
join() - Method in class java.lang.Thread
  Waits for this thread to die.
join(InetAddress) - Method in class java.net.DatagramSocketImpl
  Join the multicast group.
join(long) - Method in class java.lang.Thread
  Waits at most `millis` milliseconds for this thread to die.
join(long, int) - Method in class java.lang.Thread
  Waits at most `millis` milliseconds plus `nanos` nanoseconds for this thread to die.
joinGroup(InetAddress) - Method in class java.net.MulticastSocket
  Joins a multicast group.Its behavior may be affected by `setInterface`.
JULY - Static variable in class java.util.Calendar
  Value of the `MONTH` field indicating the seventh month of the year.
JUNE - Static variable in class java.util.Calendar
  Value of the `MONTH` field indicating the sixth month of the year.

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Java is a trademark or registred trademark of Sun Microsystems, Inc. in the US and other countries.
Copyright 1993-2000 Sun Microsystems, Inc. 901 San Antonio Road,
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