Java Language: Difference between revisions
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The type of ''expression'' must be a reference type. | The type of ''expression'' must be a reference type. | ||
{{Internal|Java synchronized mechanism| | {{Internal|Java synchronized mechanism#Overview|'synchronized' mechanism}} | ||
=Modifiers= | =Modifiers= |
Revision as of 03:34, 21 March 2018
Internal
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.
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.