Interface ClassLoadingMXBean
java.lang.management
public interface ClassLoadingMXBean
The management interface for the class loading system of the Java virtual machine.

A Java virtual machine has a single instance of the implementation class of this interface. This instance implementing this interface is an MXBean that can be obtained by calling the ManagementFactory.getClassLoadingMXBean() method or from the platform MBeanServer method.

The ObjectName for uniquely identifying the MXBean for the class loading system within an MBeanServer is:

java.lang:type=ClassLoading
Since:
1.5
Version:
1.12, 11/17/05
Author:
Mandy Chung
See Also:
JMX Specification., Ways to Access MXBeans
Method Summary
int
 getLoadedClassCount()
Returns the number of classes that are currently loaded in the Java virtual machine.
long
 getTotalLoadedClassCount()
Returns the total number of classes that have been loaded since the Java virtual machine has started execution.
long
 getUnloadedClassCount()
Returns the total number of classes unloaded since the Java virtual machine has started execution.
boolean
 isVerbose()
Tests if the verbose output for the class loading system is enabled.
void
 setVerbose(boolean value)
Enables or disables the verbose output for the class loading system.
Method Detail
getTotalLoadedClassCount
long getTotalLoadedClassCount()
Returns the total number of classes that have been loaded since the Java virtual machine has started execution.
Returns:
the total number of classes loaded.
getLoadedClassCount
int getLoadedClassCount()
Returns the number of classes that are currently loaded in the Java virtual machine.
Returns:
the number of currently loaded classes.
getUnloadedClassCount
long getUnloadedClassCount()
Returns the total number of classes unloaded since the Java virtual machine has started execution.
Returns:
the total number of unloaded classes.
isVerbose
boolean isVerbose()
Tests if the verbose output for the class loading system is enabled.
Returns:
true if the verbose output for the class loading system is enabled; false otherwise.
setVerbose
void setVerbose(boolean value)
Enables or disables the verbose output for the class loading system. The verbose output information and the output stream to which the verbose information is emitted are implementation dependent. Typically, a Java virtual machine implementation prints a message each time a class file is loaded.

This method can be called by multiple threads concurrently. Each invocation of this method enables or disables the verbose output globally.

Parameters:
value - true to enable the verbose output; false to disable.
Throws:
SecurityException - if a security manager exists and the caller does not have ManagementPermission("control").
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