changes

src/main/java/io/zipcoder/persistenceapp/controller/PersonController.java

@@ -6,9 +6,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 
-import org.springframework.web.bind.annotation.*;
-
-import javax.persistence.criteria.CriteriaBuilder;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 public class PersonController {

src/main/java/io/zipcoder/persistenceapp/service/PersonService.java

@@ -10,6 +10,8 @@ import org.springframework.stereotype.Service;
 import java.sql.JDBCType;
 import java.sql.ResultSet;
 import java.sql.SQLException;
+import java.util.Arrays;
+import java.util.Iterator;
 import java.util.List;
 
 /*