android - groovy error - cannot find matching method - how to solve -

i have simple activity in android class. anyway looks this:

package com.example.groovy import android.os.bundle import android.support.v7.app.actionbaractivity import com.example.r import groovy.transform.compilestatic  @compilestatic public class mainactivity extends actionbaractivity {      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main);     mymethod();     }         public void mymethod(){          data data1=new data();           data1.setaddress("37 ibm blvd.");         data1.setpostalcode("mc42l8")         data1.setdate("feb 19");          data data2=new data();         data2.setaddress("38 oriole");         data2.setpostalcode("mc72l9")         data2.setdate("feb 12");          data data3=new data();         data3.setaddress("37 skyway");         data3.setpostalcode("mt82l9");         data3.setdate("feb 13"); } 

the data class looks this:

package com.example.groovy  public class data{     def string address     def string postalcode     def string date } 

if need know directory structure looks this:

here error when try run program:

    /users/frost/documents/myandroidstudio/myrxjavaandroidproject2/app/src/main/groovy/com/example/groovy/mainactivity.groovy: 32: [static type checking] -  cannot find matching method com.example.groovy.data#setdate(java.lang.string).   please check if declared type right , if method exists. 

this error repeats synthesized methods im trying access data pojo.

have tried sensible capitalisation, , without unnecessary defs?

public class data{     string address     string postalcode     string date }