optimize imports, refformat code

src/main/java/hello/Application.java

@@ -1,15 +1,12 @@
 package hello;
 
-import java.util.List;
-
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
-import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+import java.util.List;
 
 @ComponentScan
 @EnableAutoConfiguration
@@ -21,8 +18,9 @@ public class Application implements CommandLineRunner {
 
         SpringApplication.run(Application.class, args);
     }
-        @Override
-        public void run(String... args) throws Exception {
+
+    @Override
+    public void run(String... args) throws Exception {
         // save a couple of customers
         repository.save(new Customer("aJack", "Bauer"));
         repository.save(new Customer("aChloe", "O'Brian"));

src/main/java/hello/Customer.java

@@ -7,14 +7,15 @@ import javax.persistence.*;
 public class Customer {
 
     @Id
-    @GeneratedValue(strategy=GenerationType.AUTO )
+    @GeneratedValue(strategy = GenerationType.AUTO)
     private long id;
-    @Column( name = "firstname")
+    @Column(name = "firstname")
     private String firstName;
-    @Column( name = "lastname")
+    @Column(name = "lastname")
     private String lastName;
 
-    protected Customer() {}
+    protected Customer() {
+    }
 
     public Customer(String firstName, String lastName) {
         this.firstName = firstName;
@@ -24,7 +25,7 @@ public class Customer {
     public Customer(long id, String first_name, String last_name) {
         this.firstName = first_name;
         this.lastName = last_name;
-        this.id=id;
+        this.id = id;
     }
 
     public long getId() {

src/main/java/hello/CustomerController.java

@@ -14,11 +14,11 @@ import org.springframework.web.bind.annotation.ResponseBody;
 public class CustomerController {
 
     @Autowired
-CustomerRepository customerRepository;
+    CustomerRepository customerRepository;
 
     @RequestMapping("/getAll")
     @ResponseBody
-    Iterable<Customer> getAll(){
+    Iterable<Customer> getAll() {
         return customerRepository.findAll();
     }
 }

src/main/java/hello/CustomerRepository.java

@@ -1,9 +1,9 @@
 package hello;
 
-import java.util.List;
-
 import org.springframework.data.repository.CrudRepository;
 
+import java.util.List;
+
 public interface CustomerRepository extends CrudRepository<Customer, Long> {
 
     List<Customer> findByLastName(String lastName);

src/main/java/hello/JdbcTest.java

@@ -37,7 +37,7 @@ public class JdbcTest {
 
         System.out.println("Querying for customer records where first_name = 'Josh':");
         List<Customer> results = jdbcTemplate.query(
-                "select * from customer where firstname = ?", new Object[] { "Josh" },
+                "select * from customer where firstname = ?", new Object[]{"Josh"},
                 new RowMapper<Customer>() {
                     @Override
                     public Customer mapRow(ResultSet rs, int rowNum) throws SQLException {

src/main/resources/application.properties

@@ -1,4 +1,4 @@
-spring.datasource.url=jdbc:postgresql://localhost:5432/wojnickitochuj
-spring.datasource.username=lukasgol
-spring.datasource.password=lukasgol
-spring.datasource.driver-class-name=org.postgresql.Driver
+#spring.datasource.url=jdbc:postgresql://localhost:5432/wojnickitochuj
+#spring.datasource.username=lukasgol
+#spring.datasource.password=lukasgol
+#spring.datasource.driver-class-name=org.postgresql.Driver