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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.lang.management

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang.management .MemoryMXBean

MemoryMXBean

public interface MemoryMXBean (Code)

MemoryMXBean is an interface used by the management system to access memory-related properties.

ObjectName: java.lang:type=Memory

since:
1.5

Method Summary
void	gc() Invokes the JVM's garbage collector; equivalent to System.gc .
MemoryUsage	getHeapMemoryUsage() The current memory usage for the heap; memory used for object allocation.
MemoryUsage	getNonHeapMemoryUsage() The current memory usage outside of the heap.
int	getObjectPendingFinalizationCount() The approximate number of objects that are about to be finalized.
boolean	isVerbose() Indicates whether or not the verbose output is enabled for the memory system.
void	setVerbose(boolean value) Enables or disables the verbose output of the memory system.

Method Detail

gc
void gc()(Code)
	Invokes the JVM's garbage collector; equivalent to System.gc .

getHeapMemoryUsage
MemoryUsage getHeapMemoryUsage()(Code)
	The current memory usage for the heap; memory used for object allocation. A MemoryUsage instance representing heap memory.

getNonHeapMemoryUsage
MemoryUsage getNonHeapMemoryUsage()(Code)
	The current memory usage outside of the heap. A MemoryUsage instance representing non-heap memory.

getObjectPendingFinalizationCount
int getObjectPendingFinalizationCount()(Code)
	The approximate number of objects that are about to be finalized. The number of objects about to be finalized.

isVerbose
boolean isVerbose()(Code)
	Indicates whether or not the verbose output is enabled for the memory system. `true` is verbose output is enabled, otherwise`false`.

setVerbose
void setVerbose(boolean value)(Code)
	Enables or disables the verbose output of the memory system. Parameters: value - `true` to enable, `false` todisable. throws: SecurityException - if caller doesn't have`ManagementPermission("control")`.

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