Extract key value pair from XML in JAVA code

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Java8

I want extract key value pair from xml file in my java code.

My XML element that contain key value pair :

<ips>
    <ip key="192.168.12.11"  value="owner" />
    <ip key="192.168.12.12"  value="cus" />
</ips>

What I have tried:

@XmlAccessorType(XmlAccessType.FIELD)
 @XmlType(name = "", propOrder = {
        "ip"
 })
 public static class dBIp {

     protected Map<String,String> ip;

     public Map<String,String> getIp() {
         if (ip == null) {
                ip = new HashMap<String,String>();
          }
          System.out.println("ip===="+this.ip);
          return this.ip;
      }

 }