Java/Development Class/RuntimeMXBean

Материал из Java эксперт
Версия от 18:01, 31 мая 2010; (обсуждение)
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Get Boot path from RuntimeMXBean

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getBootClassPath());
  }
}





Get ClassPath from RuntimeMXBean

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getClassPath());
  }
}





Get system start time from RuntimeMXBean

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(new Date(mx.getStartTime()));
  }
}





Get the JVM uptime from RuntimeMXBean

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getUptime() + " ms");
  }
}





Get the system properties from RuntimeMXBean

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getSystemProperties());
  }
}





ManagementFactory.getRuntimeMXBean()

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getBootClassPath());
  }
}





RuntimeMXBean.getBootClassPath()

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getBootClassPath());
  }
}





RuntimeMXBean.getClassPath()

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getBootClassPath());
    System.out.println(mx.getClassPath());
    System.out.println(mx.getInputArguments());
    System.out.println(mx.getSystemProperties());
    System.out.println(new Date(mx.getStartTime()));
    System.out.println(mx.getUptime() + " ms");
  }
}





RuntimeMXBean.getInputArguments()

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getInputArguments());
  }
}





RuntimeMXBean.getStartTime()

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(new Date(mx.getStartTime()));
  }
}





RuntimeMXBean.getSystemProperties()

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getSystemProperties());
  }
}





RuntimeMXBean.getUptime()

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.Date;
public class Main {
  public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getUptime() + " ms");
  }
}