56     public native long getTotalSwapSpaceSize();

    56     public native long getTotalSwapSpaceSize();

    57     public native long getFreeSwapSpaceSize();

    57     public native long getFreeSwapSpaceSize();

    58     public native long getProcessCpuTime();

    58     public native long getProcessCpuTime();

    59     public native long getFreePhysicalMemorySize();

    59     public native long getFreePhysicalMemorySize();

    60     public native long getTotalPhysicalMemorySize();

    60     public native long getTotalPhysicalMemorySize();

    61 

    63 

    62     static {

    64     static {

    63         initialize();

    65         initialize();

    64     }

    66     }

    65     private static native void initialize();

    67     private static native void initialize();