Java Language: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
|||
| Line 9: | Line 9: | ||
* <tt>synchronized</tt> ([[#synchronized_statement|statement]] and [[#synchronized_modifier|modifier]]) | * <tt>synchronized</tt> ([[#synchronized_statement|statement]] and [[#synchronized_modifier|modifier]]) | ||
== | ===Statements=== | ||
= | ====<span id='synchronized_statement'></span>synchronized==== | ||
==<span id='synchronized_statement'></span>synchronized== | |||
The <tt>synchronized</tt> statement acquires a mutual-exclusion lock on behalf of the executing thread, executes a block, then releases the lock. While the executing thread owns the log, no other thread may acquire the lock. | The <tt>synchronized</tt> statement acquires a mutual-exclusion lock on behalf of the executing thread, executes a block, then releases the lock. While the executing thread owns the log, no other thread may acquire the lock. | ||
| Line 25: | Line 21: | ||
Also see: {{Internal|Java synchronized mechanism#Overview|'synchronized' mechanism}} | Also see: {{Internal|Java synchronized mechanism#Overview|'synchronized' mechanism}} | ||
=Modifiers= | ===Modifiers=== | ||
==Method Modifiers== | ====Method Modifiers==== | ||
===<span id='synchronized_modifier'></span>synchronized=== | =====<span id='synchronized_modifier'></span>synchronized===== | ||
A <tt>synchronized</tt> class method synchronizes on the monitor associated with the Class object of that class. | A <tt>synchronized</tt> class method synchronizes on the monitor associated with the Class object of that class. | ||
| Line 37: | Line 33: | ||
Also see: {{Internal|Java synchronized mechanism#Overview|'synchronized' mechanism}} | Also see: {{Internal|Java synchronized mechanism#Overview|'synchronized' mechanism}} | ||
===default=== | =====default===== | ||
==Literals== | |||
==Operators== | |||
=Interface= | =Interface= | ||
Revision as of 19:07, 22 March 2018
Internal
Lexical Structure
Keywords
Statements
synchronized
The synchronized statement acquires a mutual-exclusion lock on behalf of the executing thread, executes a block, then releases the lock. While the executing thread owns the log, no other thread may acquire the lock.
synchronized (expression) block
The type of expression must be a reference type.
Also see:
Modifiers
Method Modifiers
synchronized
A synchronized class method synchronizes on the monitor associated with the Class object of that class.
A synchronized instance method synchronizes on the monitor associated with this - the object instance it is invoked onto.
Also see:
default
Literals
Operators
Interface
An interface groups related methods together into a contract.
Class
Anonymous Class
Can be used for behavior parameterization.