@Override
    public int getAvailableProcessors() {
        if (availableProcessors == 0) {
            availableProcessors = java.lang.Runtime.getRuntime().availableProcessors();
        }
        return availableProcessors;
    }
@author Robert HG (254963746@qq.com) on 9/15/15.
lts-core/src/main/java/com/github/ltsopensource/jvmmonitor/mbean/JVMInfo.java