part 3.1.2, postman send is not working

src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java

@@ -0,0 +1,32 @@
+package io.zipcoder.tc_spring_poll_application.controller;
+
+import io.zipcoder.tc_spring_poll_application.domain.Poll;
+import io.zipcoder.tc_spring_poll_application.repositories.PollRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class PollController {
+
+    private PollRepository pollRepository;
+
+    @Autowired
+    public PollController(PollRepository pollRepository) {
+        this.pollRepository = pollRepository;
+    }
+
+    @RequestMapping(value="/polls", method= RequestMethod.GET)
+    public ResponseEntity<Iterable<Poll>> getAllPolls() {
+        Iterable<Poll> allPolls = pollRepository.findAll();
+        return new ResponseEntity<>(allPolls, HttpStatus.OK);
+    }
+
+
+}
+
+
+