synchronized Java Keyword
The synchronized
is a keyword defined in the java programming language. Keywords are basically
reserved words which have specific meaning relevant to a compiler in java
programming language likewise the synchronized keyword indicates the
following :
-- The synchronized keyword may be applied to statement block or to a method.
-- The synchronized keyword provides the protection for the crucial
sections that are required only to be executed by a single thread once
at a time.
-- The synchronized keyword avoids a
critical code from being executed by more than one thread at a time. Its
restricts other threads to concurrently access a resource.
-- If the synchronized keyword is applied
to a static method, as we will show it with a class having a method
SyncStaticMethod through an example below, the entire class get locked while
the method under execution and control of a one thread at a time.
-- When the synchronized keyword is
applied to an instance method, as we have done with SyncMethod in the example
given below, the instance get locked while being accessed and under execution
and control of a one thread at a time.
-- When the synchronized keyword is
applied to an object, then that object is locked though the code block
associated with it get executed by one thread at at time.
Example to use
the synchronized keyword
within a class in java programming language:
public
class Class1{ } } { public
class Class2{ |