读XML文件路径碰到的问题。。。。。。。

DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
Document doc = docBuilder.parse(“C:\Documents and Settings\Administrator.LENOVO-6A31F83A\桌面\liujun\a.xml”);

抛如下异常，请各位大虾帮忙瞄瞄！！！！！！！！！
java.net.MalformedURLException: unknown protocol: c
at java.net.URL. <init>(URL.java:574)
at java.net.URL. <init>(URL.java:464)
at java.net.URL. <init>(URL.java:413)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:968)
at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(XMLVersionDetector.java:184)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:798)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:250)
at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:292)
at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:146)
at com.huawei.alarmxml.XMLconfig.readXml(XMLconfig.java:51)
at com.huawei.alarmxml.XMLconfig.main(XMLconfig.java:259)

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C:\Do