All Implemented Interfaces:
```
public class Jvm

                    
```
Object with utilities to gather information about the running JVM.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description
`private final String`	`os`
`private final OsKind`	`osKind`
`private final Console`	`console`
`private final Boolean`	`isConsole`
`private final Runtime`	`runtime`
`private final TimeZone`	`timeZone`
`private final ZoneId`	`zoneId`
`private final Charset`	`charset`
`private final Locale`	`locale`
`private final String`	`hostName`
`private final String`	`ip`
`private final String`	`name`
`private final String`	`version`
`private final Integer`	`cpuCount`
`private final String`	`localeCode`
`public final static Jvm`	`INSTANCE`

Constructor Summary

Constructors
Constructor	Description

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`final String`	`totalMemory()`	Amount of memory in kilobytes available to the JVM.
`final String`	`usedMemory()`	Amount of used memory in kilobytes.
`final Unit`	`loadSystemSettings(Map<String, String> settings, Boolean overwrite)`
`final <T extends Any> T`	`systemSettingOrNull(KClass<T> type, String name)`	Retrieve a setting by name by looking in the JVM system properties first and in OS environment variables if not found.
`final <T extends Any> T`	`systemSettingOrNull(String name)`	Utility method for retrieving a system setting, check systemSettingOrNull for details.
`final <T extends Any> T`	`systemSetting(KClass<T> type, String name)`
`final <T extends Any> T`	`systemSetting(String name)`
`final Boolean`	`systemFlag(String name)`	Retrieve a flag (boolean parameter) by name by looking in the JVM system properties first and in OS environment variables if not found.
`final String`	`getOs()`	Operating system name ('os.name' property).
`final OsKind`	`getOsKind()`	Operating system type.
`final Console`	`getConsole()`	JVM Console, if the program don't have a console (i.e.: input or output redirected), an exception is thrown.
`final Boolean`	`isConsole()`	True if the program has a console (terminal, TTY, PTY...), false if I/O is piped.
`final Runtime`	`getRuntime()`	Current JVM runtime.
`final TimeZone`	`getTimeZone()`	Default timezone.
`final ZoneId`	`getZoneId()`	Default zone ID.
`final Charset`	`getCharset()`	Default character set.
`final Locale`	`getLocale()`	Default locale for this instance of the Java Virtual Machine.
`final String`	`getHostName()`	The host name of the machine running this program.
`final String`	`getIp()`	The IP address of the machine running this program.
`final String`	`getName()`	Name of the JVM running this program.
`final String`	`getVersion()`	Java version aka language level.
`final Integer`	`getCpuCount()`	Number of processors available to the Java virtual machine.
`final String`	`getLocaleCode()`	User locale consist of 2-letter language code, 2-letter country code and file encoding.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
- Method Detail
  - totalMemory
```
 final String totalMemory()
```
    Amount of memory in kilobytes available to the JVM.
    
    Returns:
    
    Total amount of memory in kilobytes.
  - usedMemory
```
 final String usedMemory()
```
    Amount of used memory in kilobytes.
    
    Returns:
    
    Used memory in kilobytes.
  - loadSystemSettings
```
 final Unit loadSystemSettings(Map<String, String> settings, Boolean overwrite)
```
  - systemSettingOrNull
```
 final <T extends Any> T systemSettingOrNull(KClass<T> type, String name)
```
    Retrieve a setting by name by looking in the JVM system properties first and in OS environment variables if not found.
    
    Parameters:
    
    type - Type of the requested parameter.
    
    name - Name of the searched parameter, can not be blank.
    
    Returns:
    
    Value of the searched parameter in the requested type, null if the parameter is not found on the JVM system properties and in OS environment variables.
  - systemSettingOrNull
```
 final <T extends Any> T systemSettingOrNull(String name)
```
    Utility method for retrieving a system setting, check systemSettingOrNull for details.
    
    Parameters:
    
    name - Name of the searched parameter, can not be blank.
    
    Returns:
    
    Value of the searched parameter in the requested type, null if the parameter is not found on the JVM system properties and in OS environment variables.
  - systemSetting
```
 final <T extends Any> T systemSetting(KClass<T> type, String name)
```
  - systemSetting
```
 final <T extends Any> T systemSetting(String name)
```
  - systemFlag
```
 final Boolean systemFlag(String name)
```
    Retrieve a flag (boolean parameter) by name by looking in the JVM system properties first and in OS environment variables if not found.
    
    Parameters:
    
    name - Name of the searched parameter, can not be blank.
    
    Returns:
    
    True if the parameter is found and its value is exactly 'true', false otherwise.
  - getOs
```
 final String getOs()
```
    Operating system name ('os.name' property). If null throws an exception.
  - getOsKind
```
 final OsKind getOsKind()
```
    Operating system type.
  - getConsole
```
 final Console getConsole()
```
    JVM Console, if the program don't have a console (i.e.: input or output redirected), an exception is thrown.
  - isConsole
```
 final Boolean isConsole()
```
    True if the program has a console (terminal, TTY, PTY...), false if I/O is piped.
  - getRuntime
```
 final Runtime getRuntime()
```
    Current JVM runtime.
  - getTimeZone
```
 final TimeZone getTimeZone()
```
    Default timezone.
  - getZoneId
```
 final ZoneId getZoneId()
```
    Default zone ID.
  - getCharset
```
 final Charset getCharset()
```
    Default character set.
  - getLocale
```
 final Locale getLocale()
```
    Default locale for this instance of the Java Virtual Machine.
  - getHostName
```
 final String getHostName()
```
    The host name of the machine running this program.
  - getIp
```
 final String getIp()
```
    The IP address of the machine running this program.
  - getName
```
 final String getName()
```
    Name of the JVM running this program. For example: OpenJDK 64-Bit Server VM.
  - getVersion
```
 final String getVersion()
```
    Java version aka language level. For example: 11
  - getCpuCount
```
 final Integer getCpuCount()
```
    Number of processors available to the Java virtual machine.
  - getLocaleCode
```
 final String getLocaleCode()
```
    User locale consist of 2-letter language code, 2-letter country code and file encoding.

Object Jvm

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Method Detail

totalMemory

usedMemory

loadSystemSettings

systemSettingOrNull

systemSettingOrNull

systemSetting

systemSetting

systemFlag

getOs

getOsKind

getConsole

isConsole

getRuntime

getTimeZone

getZoneId

getCharset

getLocale

getHostName

getIp

getName

getVersion

getCpuCount

getLocaleCode