Java Examples For beginners

There is java related technologies examples in simples way .

[javaexamples]

what is default value of int in java , find int default value java using program . Write java program to find int default value

We will see what is default value of int in java in this tutorail.

[javaexamples]

StringUtils.isNotBlank() VS StringUtils.isNotEmpty() in Java

See nice examle for StringUtils.isNotBlank() VS StringUtils.isNotEmpty() in Java

Here https://www.javavogue.com/2015/04/stringutilsisnotblank-vs-html/

[javaexamples]

Spring Boot Hello Application Example

In this post we will learn how to create spring boot application/project . Now we are going to create our first spring boot application example.  Follow below steps

Step 1.  Firstly we will create java spring boot project using  https://start.spring.io/ website . For create new spring boot project click on Here . I am select maven project with java and spring boot2.1.3 . After that  Fill  Group  , Artifact details and click generate project .

Step 2:  After Click Generate project button it will download java spring boot  project for you. Now you extract this zip and import in eclipse . After import java spring boot project in eclipse , application structure such as.

package com.jp.helloWorld;

import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication public class HelloWorldApplication {

public static void main(String[] args) { SpringApplication.run(HelloWorldApplication.class, args); }

}

Now we will create one rest controller which consume request and produce response for us.

HelloController.java

package com.jp.helloWorld.controller;

import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController;

@RestController public class HelloController {

@GetMapping("/app") public String getApplicationName(){ return "Application api call succsfully";   } }

For more details see Spring Boot Hello Application Example

More spring boot examples 

Spring Boot Hello Application Example

How to Change the default port in Spring Boot

How to Create a REST API With Spring Boot

How to Reload Changes Without Restarting the Server

How to Print all beans loaded by Spring Boot

How to Read value From application.properties in spring boot

Spring Boot @ConfigurationProperties Property Validation

Spring Boot – Example of RESTful Web Service with XML

How to Deploy a Spring Boot WAR to Tomcat Server

Spring Boot – RESTful Web Service with POST Request in XML Example

[javaexamples]

Very good java arraylist step by step.

[javaexamples]

Nice java tutorials  examples for beginners.