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• java
• j2se
• 1.6
• sun.management
• RuntimeImpl

Methods

• RuntimeImpltop

  RuntimeImpl(VMManagement vm)
  Constructor of RuntimeImpl class.

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• getBootClassPathtop

  public String getBootClassPath()
  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 java.lang.management.RuntimeMXBean.isBootClassPathSupported() method can be used to determine if the Java virtual machine supports this method.

  Return:

  @return the boot class path.

  Specified by:

  getBootClassPath from RuntimeMXBean

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• getClassPathtop

  public String getClassPath()
  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.

  Return:

  @return the Java class path.

  Specified by:

  getClassPath from RuntimeMXBean

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• getInputArgumentstop

  public List<String> getInputArguments()
  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 is String[].

  Return:

  @return a list of String objects; each element is an argument passed to the Java virtual machine.

  Specified by:

  getInputArguments from RuntimeMXBean

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• getLibraryPathtop

  public String getLibraryPath()
  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.

  Return:

  @return the Java library path.

  Specified by:

  getLibraryPath from RuntimeMXBean

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• getManagementSpecVersiontop

  public String getManagementSpecVersion()
  Returns the version of the specification for the management interface implemented by the running Java virtual machine.

  Return:

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

  Specified by:

  getManagementSpecVersion from RuntimeMXBean

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• getNametop

  public String getName()
  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.

  Return:

  @return the name representing the running Java virtual machine.

  Specified by:

  getName from RuntimeMXBean

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• getSpecNametop

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

  Return:

  @return the Java virtual machine specification name.

  Specified by:

  getSpecName from RuntimeMXBean

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• getSpecVendortop

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

  Return:

  @return the Java virtual machine specification vendor.

  Specified by:

  getSpecVendor from RuntimeMXBean

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• getSpecVersiontop

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

  Return:

  @return the Java virtual machine specification version.

  Specified by:

  getSpecVersion from RuntimeMXBean

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• getStartTimetop

  public long getStartTime()
  Returns the start time of the Java virtual machine in milliseconds. This method returns the approximate time when the Java virtual machine started.

  Return:

  @return start time of the Java virtual machine in milliseconds.

  Specified by:

  getStartTime from RuntimeMXBean

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• getSystemPropertiestop

  public Map<String, String> getSystemProperties()
  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 is TabularData with two items in each row as follows:

  Item Name	Item Type
  key	String
  value	String

  Return:

  @return a map of names and values of all system properties.

  Specified by:

  getSystemProperties from RuntimeMXBean

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• getUptimetop

  public long getUptime()
  Returns the uptime of the Java virtual machine in milliseconds.

  Return:

  @return uptime of the Java virtual machine in milliseconds.

  Specified by:

  getUptime from RuntimeMXBean

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• getVmNametop

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

  Return:

  @return the Java virtual machine implementation name.

  Specified by:

  getVmName from RuntimeMXBean

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• getVmVendortop

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

  Return:

  @return the Java virtual machine implementation vendor.

  Specified by:

  getVmVendor from RuntimeMXBean

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• getVmVersiontop

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

  Return:

  @return the Java virtual machine implementation version.

  Specified by:

  getVmVersion from RuntimeMXBean

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• isBootClassPathSupportedtop

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

  Return:

  @return true if the Java virtual machine supports the class path mechanism; false otherwise.

  Specified by:

  isBootClassPathSupported from RuntimeMXBean

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