SpringMVCIn5Minutes.java

//FILLE 1- MAVEN

<dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.3.8.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.2.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>
</dependencies>

//Don't forget put:

<packaging>war</packaging>


//FILE 2 - A CLASS TO RESOLVE THE DispatcherServlet and ContextLoaderListener

public class SpitterWebInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {

    //Sets the root
    @Override
    protected Class<?>[] getRootConfigClasses() {
        return new Class<?>[] { RootConfig.class };
    }

    //Sets the view resolver class
    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class<?>[] { WebConfig.class };
    }

    //This will map "/" to be between the paths.
    @Override
    protected String[] getServletMappings() {
        return new String[] { "/" };
    }

}

//FILE 3 -  RootConfig to sets the root of project

@Configuration //Sets this class to be a configuration class
@ComponentScan(basePackages={"project.controller"}) //Search for beans(DI), any class with @Component or @Controller will be a bean.
public class RootConfig {
    
}

//FILE 4 - WebConfig to resolver the views

@Configuration
@EnableWebMvc //Enable the MVC pattern at spring
@ComponentScan("project.controller")
public class WebConfig extends WebMvcConfigurerAdapter {

    @Bean
    public ViewResolver viewResolver() {
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("/WEB-INF/views/"); //That is the package where my views are.
        resolver.setSuffix(".jsp"); //That is the extension of the files with the views.
        return resolver;
    }

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        // TODO Auto-generated method stub
        super.addResourceHandlers(registry);
    }

}

//That's it! :D