Spring Boot Web using Undertow Embedded Servlet Container

In this Spring Boot tutorial, we learn how to use Undertow as an embedded servlet container in Spring Boot Web application.

Spring Boot RESTful API Documentation with OpenAPI 3.0 and Swagger-UI using springdoc-openapi

In this Spring Boot RESTful API tutorial, we learn how to use the springdoc-openapi Java library in the Spring Boot project to generate the documentation for the Restful API. Step by step we learn how to generate the document in OpenAPI 3.0 standard and then showing the document in Swagger-UI.

Convert float to String in Java

In this Java core tutorial, we learn how to convert float value into String value in Java via different solutions.

Convert String to float in Java

In this Java core tutorial, we learn how to convert String value into float value in Java via different solutions.

Convert String to double in Java

In this Java core tutorial, we learn how to convert String value into double value in Java via different solutions.

Convert double to String in Java

In this Java core tutorial, we learn how to convert double value into String value in Java via different solutions.

Convert long to String in Java

In this Java core tutorial, we learn how to convert long value into String value in Java via different solutions.

Convert String to long in Java

In this Java core tutorial, we learn how to convert String value into long value in Java via different solutions.

Convert short to String in Java

In this Java core tutorial, we learn how to convert short value into String value in Java via different solutions.

Convert String to short in Java

In this Java core tutorial, we learn how to convert String value into short value in Java via different solutions.