Java Language: Difference between revisions
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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. | ||
A <tt>synchronized</tt> method synchronizes on the monitor associated with instance it is invoked onto. | A <tt>synchronized</tt> instance method synchronizes on the monitor associated with <tt>this</tt> - the object instance it is invoked onto. | ||
Revision as of 03:27, 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.