mvn spring boot 3arun

1mvn spring-boot:run

1package com.example.springboot;
2
3import java.util.Arrays;
4
5import org.springframework.boot.CommandLineRunner;
6import org.springframework.boot.SpringApplication;
7import org.springframework.boot.autoconfigure.SpringBootApplication;
8import org.springframework.context.ApplicationContext;
9import org.springframework.context.annotation.Bean;
10
11@SpringBootApplication
12public class Application {
13
14	public static void main(String[] args) {
15		SpringApplication.run(Application.class, args);
16	}
17
18	@Bean
19	public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
20		return args -> {
21
22			System.out.println("Let's inspect the beans provided by Spring Boot:");
23
24			String[] beanNames = ctx.getBeanDefinitionNames();
25			Arrays.sort(beanNames);
26			for (String beanName : beanNames) {
27				System.out.println(beanName);
28			}
29
30		};
31	}
32
33}Copy