Add example for implicit conversion in controller methods

spring-boot/src/main/java/org/baeldung/converter/controller/StringToEmployeeConverterController.java

@@ -0,0 +1,16 @@
+package org.baeldung.converter.controller;
+
+import com.baeldung.toggle.Employee;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/string-to-employee")
+public class StringToEmployeeConverterController {
+
+    @GetMapping
+    public ResponseEntity<Object> getStringToEmployee(@RequestParam("employee") Employee employee) {
+        return ResponseEntity.ok(employee);
+    }
+}

spring-boot/src/test/java/org/baeldung/converter/controller/StringToEmployeeConverterControllerTest.java

@@ -0,0 +1,34 @@
+package org.baeldung.converter.controller;
+
+import org.baeldung.Application;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = Application.class)
+@AutoConfigureMockMvc
+public class StringToEmployeeConverterControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    public void getStringToEmployeeTest() throws Exception {
+        mockMvc.perform(get("/string-to-employee?employee=1,2000"))
+                .andDo(print())
+                .andExpect(jsonPath("$.id", is(1)))
+                .andExpect(jsonPath("$.salary", is(2000.0)))
+                .andExpect(status().isOk());
+    }
+}