<dependencies>
	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter</artifactId>
	</dependency>
 
	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-jdbc</artifactId>
	</dependency>
 
	<dependency>
		<groupId>org.projectlombok</groupId>
		<artifactId>lombok</artifactId>
		<version>1.18.20</version>
		<scope>provided</scope>
	</dependency>
 
	<dependency>
		<groupId>com.h2database</groupId>
		<artifactId>h2</artifactId>
		<scope>runtime</scope>
	</dependency>
 
	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-test</artifactId>
		<scope>test</scope>
	</dependency>
</dependencies>

@ToString
@Getter
@Setter
@AllArgsConstructor
public class Person {
    private long id;
    private String name;
    private String surname;
 
    public Person() {
    }
}

@SpringBootApplication
public class JdbcTemplateApplication implements CommandLineRunner {
 
	@Autowired
	JdbcTemplate jdbcTemplate;
 
	public static void main(String[] args) {
		SpringApplication.run(JdbcTemplateApplication.class, args);
	}
 
	@Override
	public void run(String... strings) throws Exception {
 
		jdbcTemplate.execute("CREATE TABLE persons(" +
				"id SERIAL, name VARCHAR(255), surname VARCHAR(255))");
 
		List<Object[]> divideNames = Arrays.asList("Alice Spring", "James semaJ", "Alice Jok").stream()
				.map(name -> name.split(" "))
				.collect(Collectors.toList());
 
		divideNames.forEach(item -> System.out.println(item[0] + " " + item[1]));
 
		jdbcTemplate.batchUpdate("INSERT INTO persons(name, surname) VALUES (?,?)", divideNames);
 
		jdbcTemplate.query(
				"SELECT id, name, surname FROM persons WHERE name = ?", new Object[] { "Alice" },
				(rs, rowNum) -> new Person(rs.getLong("id"), rs.getString("name"), rs.getString("surname"))
		).forEach(customer -> System.out.println(customer));
 
		Person alice = jdbcTemplate.queryForObject(
				"SELECT id, name, surname FROM persons WHERE id = ?", new Object[] { "1" },
				(rs, rowNum) -> new Person(rs.getLong("id"), rs.getString("name"), rs.getString("surname"))
		);
 
		System.out.println(alice);
 
		Person james = (Person) jdbcTemplate.queryForObject(
				"SELECT id, name, surname FROM persons WHERE id = ?", new Object[] { "2" },
				new BeanPropertyRowMapper(Person.class));
 
		System.out.println(james);
 
		String name =  jdbcTemplate.queryForObject(
				"SELECT name FROM persons WHERE id = ?", new Object[] { "2" }, String.class);
 
		System.out.println(name);
 
	}
}

Alice Spring
James semaJ
Alice Jok
Person(id=1, name=Alice, surname=Spring)
Person(id=3, name=Alice, surname=Jok)
Person(id=1, name=Alice, surname=Spring)
Person(id=2, name=James, surname=semaJ)
James