What is Technology Compatibility Kit (TCK)
A test suite, a set of tools, and other requirements used to certify an
implementation of a particular Sun technology conformant both to the
applicable specifications and to Sun or Sun-designated reference
What is thin client ?
A system that runs a very light operating system with no local system
administration and executes applications delivered over the network.
What is 'this' ?
A Java keyword 'that' can be used to represent an instance of the class
in which it appears. 'this' can be used to access class variables and
What is thread ?
The basic unit of program execution. A process can have several threads
running concurrently, each performing a different job, such as waiting
for events or performing a time-consuming job that the program doesn't
need to complete before going on. When a thread has finished its job,
the thread is suspended or destroyed. See also process.
What is throw ?
A Java keyword that allows the user to throw an exception or any class
that implements the "throwable" interface.
What is throws ?
A Java keyword used in method declarations that specify which exceptions
are not handled within the method but rather passed to the next higher
level of the program.
What is transaction ?
An atomic unit of work that modifies data. A transaction encloses one or
more program statements, all of which either complete or roll back.
Transactions enable multiple users to access the same data concurrently.
What is transaction isolation level ?
The degree to which the intermediate state of the data being modified by
a transaction is visible to other concurrent transactions and data being
modified by other transactions is visible to it.
What is transaction manager ?
Provides the services and management functions required to support
transaction demarcation, transactional resource management,
synchronization, and transaction context propagation.
What is transient ?
A keyword in the Java programming language that indicates that a field
is not part of the serialized form of an object. When an object is
serialized, the values of its transient fields are not included in the
serial representation, while the values of its non-transient fields are
What is try ?
A Java keyword that defines a block of statements that may throw a Java
language exception. If an exception is thrown, an optional catch block
can handle specific exceptions thrown within the try block. Also, an
optional finally block will be executed regardless of whether an
exception is thrown or not.
What is type ?
A class or interface.
What is Unicode ?
A 16-bit character set defined by ISO 10646. See also ASCII. All source
code in the Java programming environment is written in Unicode.
What is URI ?
Uniform Resource Identifier. A compact string of characters for
identifying an abstract or physical resource. A URI is either a URL or a
URN. URLs and URNs are concrete entities that actually exist; A URI is
an abstract superclass.
What is URL ?
Uniform Resource Locator. A standard for writing a text reference to an
arbitrary piece of data in the WWW. A URL looks like "protocol://host/localinfo"
where protocol specifies a protocol to use to fetch the object (like
HTTP or FTP), host specifies the Internet name of the host on which to
find it, and localinfo is a string (often a file name) passed to the
protocol handler on the remote host.
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