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Java Source Code / Java Documentation
»
Development
»
jodd
»
jodd.util
Source Cross Reference
Class Diagram
Java Document (Java Doc)
java.lang
.Object
jodd.util
.SystemUtil
SystemUtil
public
class SystemUtil
(Code)
Various system utilities.
Field Summary
final
public
static
String
SYS_JAVA_CLASSPATH
final
public
static
String
SYS_JAVA_HOME
final
public
static
String
SYS_JAVA_VENDOR
final
public
static
String
SYS_JAVA_VERSION
final
public
static
String
SYS_OS_NAME
final
public
static
String
SYS_OS_VERSION
final
public
static
String
SYS_PATH_SEPARATOR
final
public
static
String
SYS_TEMP_DIR
final
public
static
String
SYS_USER_DIR
Method Summary
public
static long
freeMemory
()
Returns amount of free memory in bytes.
public
static double
freeMemoryPercents
()
Returns percents of free memory.
public
static
String
getClassPath
()
public
static
String
getJavaHome
()
Returns JAVA_HOME which is not equals to "java.home" property since it points to JAVA_HOME/jre folder.
public
static
String
getJavaJreHome
()
public
static
String
getJavaVendor
()
public
static
String
getJavaVersion
()
public
static
String
getOsName
()
public
static
String
getOsVersion
()
public
static
String
getPathSeparator
()
public
static
String
getTempDir
()
public
static
String
getUserDir
()
Returns current working folder.
public
static double
systemTimerResolution
()
Calculates and returns java system timer resolution in miliseconds.
public
static long
totalMemory
()
Returns amount of total memory in bytes.
public
static long
usedMemory
()
Returns amount of used memory in bytes.
public
static double
usedMemoryPercents
()
Returns percents of used memory.
Field Detail
SYS_JAVA_CLASSPATH
final
public
static
String
SYS_JAVA_CLASSPATH
(Code)
SYS_JAVA_HOME
final
public
static
String
SYS_JAVA_HOME
(Code)
SYS_JAVA_VENDOR
final
public
static
String
SYS_JAVA_VENDOR
(Code)
SYS_JAVA_VERSION
final
public
static
String
SYS_JAVA_VERSION
(Code)
SYS_OS_NAME
final
public
static
String
SYS_OS_NAME
(Code)
SYS_OS_VERSION
final
public
static
String
SYS_OS_VERSION
(Code)
SYS_PATH_SEPARATOR
final
public
static
String
SYS_PATH_SEPARATOR
(Code)
SYS_TEMP_DIR
final
public
static
String
SYS_TEMP_DIR
(Code)
SYS_USER_DIR
final
public
static
String
SYS_USER_DIR
(Code)
Method Detail
freeMemory
public
static long freeMemory()
(Code)
Returns amount of free memory in bytes.
freeMemoryPercents
public
static double freeMemoryPercents()
(Code)
Returns percents of free memory.
getClassPath
public
static
String
getClassPath()
(Code)
getJavaHome
public
static
String
getJavaHome()
(Code)
Returns JAVA_HOME which is not equals to "java.home" property since it points to JAVA_HOME/jre folder.
getJavaJreHome
public
static
String
getJavaJreHome()
(Code)
getJavaVendor
public
static
String
getJavaVendor()
(Code)
getJavaVersion
public
static
String
getJavaVersion()
(Code)
getOsName
public
static
String
getOsName()
(Code)
getOsVersion
public
static
String
getOsVersion()
(Code)
getPathSeparator
public
static
String
getPathSeparator()
(Code)
getTempDir
public
static
String
getTempDir()
(Code)
getUserDir
public
static
String
getUserDir()
(Code)
Returns current working folder.
systemTimerResolution
public
static double systemTimerResolution()
(Code)
Calculates and returns java system timer resolution in miliseconds. Resolution of a timer depends on platform and java version.
totalMemory
public
static long totalMemory()
(Code)
Returns amount of total memory in bytes.
usedMemory
public
static long usedMemory()
(Code)
Returns amount of used memory in bytes.
usedMemoryPercents
public
static double usedMemoryPercents()
(Code)
Returns percents of used memory.
Methods inherited from
java.lang.Object
native
protected
Object
clone() throws
CloneNotSupportedException
(Code)
(Java Doc)
public
boolean equals(
Object
obj)
(Code)
(Java Doc)
protected
void finalize() throws
Throwable
(Code)
(Java Doc)
final native
public
Class
> getClass()
(Code)
(Java Doc)
native
public
int hashCode()
(Code)
(Java Doc)
final native
public
void notify()
(Code)
(Java Doc)
final native
public
void notifyAll()
(Code)
(Java Doc)
public
String
toString()
(Code)
(Java Doc)
final native
public
void wait(long timeout) throws
InterruptedException
(Code)
(Java Doc)
final
public
void wait(long timeout, int nanos) throws
InterruptedException
(Code)
(Java Doc)
final
public
void wait() throws
InterruptedException
(Code)
(Java Doc)
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