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jdk.lang.management.RuntimeMXBean

The management interface for the runtime 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.getRuntimeMXBean() method or from the platform MBeanServer method.

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

java.lang:type=Runtime

It can be obtained by calling the PlatformManagedObject.getObjectName() method.

This interface defines several convenient methods for accessing system properties about the Java virtual machine.

The management interface for the runtime 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.getRuntimeMXBean() method or
from the platform MBeanServer method.

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

   java.lang:type=Runtime


It can be obtained by calling the
PlatformManagedObject.getObjectName() method.

 This interface defines several convenient methods for accessing
system properties about the Java virtual machine.
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boot-class-path-supported?clj

(boot-class-path-supported? this)

Tests if the Java virtual machine supports the boot class path mechanism used by the bootstrap class loader to search for class files.

returns: true if the Java virtual machine supports the class path mechanism; false otherwise. - boolean

Tests if the Java virtual machine supports the boot class path
 mechanism used by the bootstrap class loader to search for class
 files.

returns: true if the Java virtual machine supports the
 class path mechanism; false otherwise. - `boolean`
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get-boot-class-pathclj

(get-boot-class-path this)

Returns the boot class path that is used by the bootstrap class loader to search for class files.

Multiple paths in the boot class path are separated by the path separator character of the platform on which the Java virtual machine is running.

A Java virtual machine implementation may not support the boot class path mechanism for the bootstrap class loader to search for class files. The isBootClassPathSupported() method can be used to determine if the Java virtual machine supports this method.

returns: the boot class path. - java.lang.String

throws: java.lang.UnsupportedOperationException - if the Java virtual machine does not support this operation.

Returns the boot class path that is used by the bootstrap class loader
 to search for class files.

  Multiple paths in the boot class path are separated by the
 path separator character of the platform on which the Java
 virtual machine is running.

 A Java virtual machine implementation may not support
 the boot class path mechanism for the bootstrap class loader
 to search for class files.
 The isBootClassPathSupported() method can be used
 to determine if the Java virtual machine supports this method.

returns: the boot class path. - `java.lang.String`

throws: java.lang.UnsupportedOperationException - if the Java virtual machine does not support this operation.
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get-class-pathclj

(get-class-path this)

Returns the Java class path that is used by the system class loader to search for class files. This method is equivalent to System.getProperty("java.class.path").

Multiple paths in the Java class path are separated by the path separator character of the platform of the Java virtual machine being monitored.

returns: the Java class path. - java.lang.String

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.

Returns the Java class path that is used by the system class loader
 to search for class files.
 This method is equivalent to System.getProperty("java.class.path").

  Multiple paths in the Java class path are separated by the
 path separator character of the platform of the Java virtual machine
 being monitored.

returns: the Java class path. - `java.lang.String`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.
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get-input-argumentsclj

(get-input-arguments this)

Returns the input arguments passed to the Java virtual machine which does not include the arguments to the main method. This method returns an empty list if there is no input argument to the Java virtual machine.

Some Java virtual machine implementations may take input arguments from multiple different sources: for examples, arguments passed from the application that launches the Java virtual machine such as the 'java' command, environment variables, configuration files, etc.

Typically, not all command-line options to the 'java' command are passed to the Java virtual machine. Thus, the returned input arguments may not include all command-line options.

MBeanServer access: The mapped type of List<String> is String[].

returns: a list of String objects; each element is an argument passed to the Java virtual machine. - java.util.List<java.lang.String>

throws: java.lang.SecurityException - if a security manager exists and the caller does not have ManagementPermission("monitor").

Returns the input arguments passed to the Java virtual machine
 which does not include the arguments to the main method.
 This method returns an empty list if there is no input argument
 to the Java virtual machine.

 Some Java virtual machine implementations may take input arguments
 from multiple different sources: for examples, arguments passed from
 the application that launches the Java virtual machine such as
 the 'java' command, environment variables, configuration files, etc.

 Typically, not all command-line options to the 'java' command
 are passed to the Java virtual machine.
 Thus, the returned input arguments may not
 include all command-line options.


 MBeanServer access:
 The mapped type of List<String> is String[].

returns: a list of String objects; each element
 is an argument passed to the Java virtual machine. - `java.util.List<java.lang.String>`

throws: java.lang.SecurityException - if a security manager exists and the caller does not have ManagementPermission("monitor").
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get-library-pathclj

(get-library-path this)

Returns the Java library path. This method is equivalent to System.getProperty("java.library.path").

Multiple paths in the Java library path are separated by the path separator character of the platform of the Java virtual machine being monitored.

returns: the Java library path. - java.lang.String

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.

Returns the Java library path.
 This method is equivalent to System.getProperty("java.library.path").

  Multiple paths in the Java library path are separated by the
 path separator character of the platform of the Java virtual machine
 being monitored.

returns: the Java library path. - `java.lang.String`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.
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get-management-spec-versionclj

(get-management-spec-version this)

Returns the version of the specification for the management interface implemented by the running Java virtual machine.

returns: the version of the specification for the management interface implemented by the running Java virtual machine. - java.lang.String

Returns the version of the specification for the management interface
 implemented by the running Java virtual machine.

returns: the version of the specification for the management interface
 implemented by the running Java virtual machine. - `java.lang.String`
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get-nameclj

(get-name this)

Returns the name representing the running Java virtual machine. The returned name string can be any arbitrary string and a Java virtual machine implementation can choose to embed platform-specific useful information in the returned name string. Each running virtual machine could have a different name.

returns: the name representing the running Java virtual machine. - java.lang.String

Returns the name representing the running Java virtual machine.
 The returned name string can be any arbitrary string and
 a Java virtual machine implementation can choose
 to embed platform-specific useful information in the
 returned name string.  Each running virtual machine could have
 a different name.

returns: the name representing the running Java virtual machine. - `java.lang.String`
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get-spec-nameclj

(get-spec-name this)

Returns the Java virtual machine specification name. This method is equivalent to System.getProperty("java.vm.specification.name").

returns: the Java virtual machine specification name. - java.lang.String

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.

Returns the Java virtual machine specification name.
 This method is equivalent to System.getProperty("java.vm.specification.name").

returns: the Java virtual machine specification name. - `java.lang.String`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.
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get-spec-vendorclj

(get-spec-vendor this)

Returns the Java virtual machine specification vendor. This method is equivalent to System.getProperty("java.vm.specification.vendor").

returns: the Java virtual machine specification vendor. - java.lang.String

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.

Returns the Java virtual machine specification vendor.
 This method is equivalent to System.getProperty("java.vm.specification.vendor").

returns: the Java virtual machine specification vendor. - `java.lang.String`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.
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get-spec-versionclj

(get-spec-version this)

Returns the Java virtual machine specification version. This method is equivalent to System.getProperty("java.vm.specification.version").

returns: the Java virtual machine specification version. - java.lang.String

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.

Returns the Java virtual machine specification version.
 This method is equivalent to System.getProperty("java.vm.specification.version").

returns: the Java virtual machine specification version. - `java.lang.String`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.
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get-start-timeclj

(get-start-time this)

Returns the start time of the Java virtual machine in milliseconds. This method returns the approximate time when the Java virtual machine started.

returns: start time of the Java virtual machine in milliseconds. - long

Returns the start time of the Java virtual machine in milliseconds.
 This method returns the approximate time when the Java virtual
 machine started.

returns: start time of the Java virtual machine in milliseconds. - `long`
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get-system-propertiesclj

(get-system-properties this)

Returns a map of names and values of all system properties. This method calls System.getProperties() to get all system properties. Properties whose name or value is not a String are omitted.

MBeanServer access: The mapped type of Map<String,String> is TabularData with two items in each row as follows:

Item Name Item Type

key String

value String

returns: a map of names and values of all system properties. - java.util.Map<java.lang.String,java.lang.String>

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to the system properties.

Returns a map of names and values of all system properties.
 This method calls System.getProperties() to get all
 system properties.  Properties whose name or value is not
 a String are omitted.


 MBeanServer access:
 The mapped type of Map<String,String> is
 TabularData
 with two items in each row as follows:



   Item Name
   Item Type


   key
   String


   value
   String

returns: a map of names and values of all system properties. - `java.util.Map<java.lang.String,java.lang.String>`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to the system properties.
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get-uptimeclj

(get-uptime this)

Returns the uptime of the Java virtual machine in milliseconds.

returns: uptime of the Java virtual machine in milliseconds. - long

Returns the uptime of the Java virtual machine in milliseconds.

returns: uptime of the Java virtual machine in milliseconds. - `long`
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get-vm-nameclj

(get-vm-name this)

Returns the Java virtual machine implementation name. This method is equivalent to System.getProperty("java.vm.name").

returns: the Java virtual machine implementation name. - java.lang.String

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.

Returns the Java virtual machine implementation name.
 This method is equivalent to System.getProperty("java.vm.name").

returns: the Java virtual machine implementation name. - `java.lang.String`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.
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get-vm-vendorclj

(get-vm-vendor this)

Returns the Java virtual machine implementation vendor. This method is equivalent to System.getProperty("java.vm.vendor").

returns: the Java virtual machine implementation vendor. - java.lang.String

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.

Returns the Java virtual machine implementation vendor.
 This method is equivalent to System.getProperty("java.vm.vendor").

returns: the Java virtual machine implementation vendor. - `java.lang.String`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.
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get-vm-versionclj

(get-vm-version this)

Returns the Java virtual machine implementation version. This method is equivalent to System.getProperty("java.vm.version").

returns: the Java virtual machine implementation version. - java.lang.String

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.

Returns the Java virtual machine implementation version.
 This method is equivalent to System.getProperty("java.vm.version").

returns: the Java virtual machine implementation version. - `java.lang.String`

throws: java.lang.SecurityException - if a security manager exists and its checkPropertiesAccess method doesn't allow access to this system property.
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