Nearby lessons
3 of 10Spring Boot - Your First Application
- Understand Spring Boot - Your First Application
- See working code examples
- Learn from common mistakes and Q&A
Learn Spring Boot - Your First Application step by step — simple explanations, complete programs with their output, common beginner mistakes, and exam-style MCQs.
HelloController.java
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package com.durgasoft.controller;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@EnableAutoConfiguration
public class HelloController {
@RequestMapping("/hello")
public String sayHello() {
return "Hello User!";
}
}
Access the above controller class by using the following URL at client browser after
executing HelloWorld standalone application.
http://localhost:1111/hello
Note: in URL, application name is not required to specify.
2.Steps to prepare Spring Boot Application by using STS[Spring Tool Suit] IDE:
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a)Download and instal STS in our System
b)Create Spring Starter project
c)
- Key ideas of Spring Boot - Your First Application explained simply
- Ready-to-use code examples
- Exam-style questions at the end