@SpringBootApplication
public class MyApplication {
public static void main(String[] args) {
SpringApplication.run(MyApplication.class, args);
}
}
@RestController
@RequestMapping("/api")
public class MyController {
@GetMapping("/hello")
public String sayHello() {
return "Hello, World!";
}
}
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
public class MyApplication {
public static void main(String[] args) {
File file = new File("data.txt");
try (FileReader reader = new FileReader(file)) {
char[] buffer = new char[1024];
int length = reader.read(buffer);
System.out.println(new String(buffer, 0, length));
} catch (IOException e) {
e.printStackTrace();
}
}
}