postman works

src/main/java/io/zipcoder/crudapp/Person.java

+package io.zipcoder.crudapp;
+
+import javax.persistence.*;
+import javax.validation.constraints.NotNull;
+
+@Entity
+public class Person {
+
+    @Column
+    private String firstName;
+
+    @Column
+    private String lastName;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column
+    private Integer id;
+
+    public Person(){}
+
+    public Person(String firstName, String lastName, Integer id) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.id = id;
+    }
+
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+}

src/main/java/io/zipcoder/crudapp/PersonController.java

+package io.zipcoder.crudapp;
+
+import io.zipcoder.crudapp.Person;
+import io.zipcoder.crudapp.PersonRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+public class PersonController {
+
+    @Autowired
+    private PersonRepository personRepository;
+
+    @PostMapping(path = "/person")
+    @ResponseBody
+    public ResponseEntity<Person> createPerson(@RequestBody Person p){
+        return new ResponseEntity<>(personRepository.save(p), HttpStatus.CREATED);
+    }
+
+    @GetMapping(path = "/person/{id}")
+    @ResponseBody
+    public ResponseEntity<Person> getPerson(@PathVariable int id){
+        return new ResponseEntity<>(personRepository.findOne(id), HttpStatus.OK);
+    }
+
+    @GetMapping(path = "/person")
+    public ResponseEntity<List<Person>> getPersonList(){
+        return new ResponseEntity<> ((List<Person>) personRepository.findAll(), HttpStatus.OK);
+    }
+
+    @PutMapping(path = "/person/{id}")
+    public ResponseEntity<Person> updatePerson(@RequestBody Person p, @PathVariable int id){
+        id = p.getId();
+        return new ResponseEntity<>(personRepository.save(p), HttpStatus.OK);
+    }
+
+    @DeleteMapping(path = "/person/{id}")
+    public ResponseEntity<Boolean> deletePerson(@PathVariable int id){
+        personRepository.delete(id);
+        return new ResponseEntity<>(true, HttpStatus.OK);
+    }
+
+}

src/main/java/io/zipcoder/crudapp/PersonRepository.java

+package io.zipcoder.crudapp;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+import java.io.Serializable;
+
+@Repository
+public interface PersonRepository extends CrudRepository<Person, Integer> {
+}