学步园

import java.io.InputStreamReader;<br /> import java.io.LineNumberReader;<br /> import sun.management.ManagementFactory;<br /> import com.sun.management.OperatingSystemMXBean;<br /> public class MonitorInfoTest {<br /> public static void main(String[] args)throws Exception {<br /> MonitorServiceManager service = new MonitorServiceManager();<br /> MonitorInfoBean monitorInfo = service.getMonitorInfoBean();<br /> System.out.println("cpu占有率=" + monitorInfo.getCpuRatio() + "kb");<br /> System.out.println("可使用内存=" + monitorInfo.getTotalMemory() + "kb");<br /> System.out.println("剩余内存=" + monitorInfo.getFreeMemory() + "kb");<br /> System.out.println("最大可使用内存=" + monitorInfo.getMaxMemory() + "kb");<br /> System.out.println("操作系统=" + monitorInfo.getOsName());<br /> System.out.println("总的物理内存=" + monitorInfo.getTotalPhysicalMemorySize() + "kb");<br /> System.out.println("剩余的物理内存=" + monitorInfo.getFreeMemory() + "kb");<br /> System.out.println("已使用的物理内存=" + monitorInfo.getUsedMemory() + "kb");<br /> System.out.println("线程总数=" + monitorInfo.getTotalThread() + "条");<br /> }<br /> }<br /> class MonitorInfoBean{<br /> /** 可使用内存. */<br /> private long totalMemory;<br /> /** 剩余内存. */<br /> private long freeMemory;<br /> /** 最大可使用内存. */<br /> private long maxMemory;<br /> /** 操作系统. */<br /> private String osName;<br /> /** 总的物理内存. */<br /> private long totalPhysicalMemorySize;<br /> /** 剩余的物理内存. */<br /> private long freePhysicalMemorySize;<br /> /** 已使用的物理内存. */<br /> private long usedMemory;<br /> /** 线程总数. */<br /> private int totalThread;<br /> /** cpu使用率. */<br /> private double cpuRatio;<br /> /*生成get和set....*/<br /> }