如何确定java程序消耗了多少内存
我的课程如下:如何确定java程序消耗了多少内存,java,Java,我的课程如下: class MyClass { public static void main(String args[]) { //I want statistics here } } 任何帮助都将不胜感激。Runtime=Runtime.getRuntime NumberFormat format = NumberFormat.getInstance(); StringBuilder sb = new StringBuilder(); long maxMemory = runt
class MyClass
{
public static void main(String args[])
{
//I want statistics here
}
}
任何帮助都将不胜感激。Runtime=Runtime.getRuntime
NumberFormat format = NumberFormat.getInstance();
StringBuilder sb = new StringBuilder();
long maxMemory = runtime.maxMemory();
long allocatedMemory = runtime.totalMemory();
long freeMemory = runtime.freeMemory();
sb.append("free memory: " + format.format(freeMemory / 1024) + "<br/>");
sb.append("allocated memory: " + format.format(allocatedMemory / 1024) + "<br/>");
sb.append("max memory: " + format.format(maxMemory / 1024) + "<br/>");
sb.append("total free memory: " + format.format((freeMemory + (maxMemory - allocatedMemory)) / 1024) + "<br/>");
具有所有可用的内存数据。这包括关于堆内存和非堆内存的数据。运行时类仅提供对堆内存信息的访问。try use它与JDK/J2SECan绑定在一起。您可以发布一些代码。您是说对象占用的内存吗?否JVM的可用和已用内存总量。