如何在服务器端随机生成密钥的java中解析这样的json。
[{"device":[{"f9f76590-cf64-11e2-8387-9c8e99238f40":{"number":"200","icon":"landline","status":"online","display_number":"","type":"Cellular"}},{"f9foghss0-cf64-11e2-8387-9c8e99238f40":{"number":"200","icon":"landline","status":"online","display_number":"","type":"Cellular"}}]}]