cn.hutool.system

Class RuntimeInfo

java.lang.Object

cn.hutool.system.RuntimeInfo

All Implemented Interfaces:

Serializable

public class RuntimeInfo
extends Object
implements Serializable

运行时信息，包括内存总大小、已用大小、可用大小等

Author:

looly

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RuntimeInfo()

Method Summary

Modifier and Type	Method and Description
long	getFreeMemory() 获得JVM已分配内存中的剩余空间
long	getMaxMemory() 获得JVM最大内存
Runtime	getRuntime() 获得运行时对象
long	getTotalMemory() 获得JVM已分配内存
long	getUsableMemory() 获得JVM最大可用内存
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RuntimeInfo

public RuntimeInfo()

Method Detail

getRuntime

public final Runtime getRuntime()

获得运行时对象

Returns:

Runtime

getMaxMemory

public final long getMaxMemory()

获得JVM最大内存

Returns:

最大内存

getTotalMemory

public final long getTotalMemory()

获得JVM已分配内存

Returns:

已分配内存

getFreeMemory

public final long getFreeMemory()

获得JVM已分配内存中的剩余空间

Returns:

已分配内存中的剩余空间

getUsableMemory

public final long getUsableMemory()

获得JVM最大可用内存

Returns:

最大可用内存

toString

public String toString()

Overrides:

toString in class Object