public static void startComplexConsumerService()

in rpc/dubbo/java-client/src/main/java/org/apache/dubbo/sample/Consumer.java [205:250]
25 lines of code
1 McCabe index (conditional complexity)

    public static void startComplexConsumerService() {
        ReferenceConfig<ComplexProvider> ref = new ReferenceConfig<>();
        ref.setInterface(ComplexProvider.class);
        ref.setCheck(false);
        ref.setProtocol(CommonConstants.DUBBO_PROTOCOL);
        ref.setLazy(true);
        ref.setTimeout(100000);
        ref.setApplication(new ApplicationConfig("user-info-client"));

        ref.setRegistry(new RegistryConfig("zookeeper://127.0.0.1:2181"));
        final ComplexProvider complexProvider = ref.get();

//        complexProvider.invokeWithEmptyReq();
//        complexProvider.invokeWithSingleString("single string");
//        complexProvider.invokeWithMultiString("string1", "string2", "string3");
//        String [] strList = new String []{"first string"," second string"};
//        complexProvider.invokeWithStringList(strList );
//       String rsp = complexProvider.invokeWithEmptyReqStringRsp();
//       System.out.println("get rsp = "+  rsp);


       ComplexData cpxData = new ComplexData();
       cpxData.booleanData = true;
       cpxData.stringData = "test string";
       cpxData.byteData =  new byte[] {1, 12, 4, 3, 3,3};
       cpxData.int16Data =16;
       cpxData.intData = 32;
       cpxData.int64Data = 64;
       cpxData.arrayListData = new String[]{"array1", "array2"};
//       cpxData.arrayUserData = new User[]{new User(), new User(), new User()};
        cpxData.userDefinedData = new User();
        cpxData.userDefinedData.setAge(18);
        cpxData.userDefinedData.setId("iojfioj");
        cpxData.stringStringHashMap = new HashMap<>();
//        cpxData.stringStringHashMap.put("key1", "value");
//        cpxData.stringStringHashMap.put("key2", "value");
//        cpxData.stringUserDefinedPtrMapData = new HashMap<>();
//        cpxData.stringUserDefinedPtrMapData.put("key1", new User());
//        cpxData.stringUserDefinedPtrMapData.put("key2", new User());

//        ComplexData response = complexProvider.invokeWithComplexReqComplexRspPtr(cpxData);
//        System.out.println("get complex = "+  response);

        int rsp = complexProvider.InvokeWithMultiBasicData("str",new byte[]{1, 3, 4,6,7}, 32, true);
        System.out.println("get multi basic rsp = "+  rsp);
    }