Spring Boot Web Download PDF File from HTML Template

In this Spring Boot tutorial we learn how to implement a Spring Boot Web application which allow user to download the .pdf files. To make it flexible to export PDF file we also implement the PDF export feature which allow dynamically generate PDF file from a HTML template file in Thymeleaf format.

Java Convert classpath resource JSON File to Java Object using Gson

In this Java Gson tutorial, we show you how to read a JSON file from classpath resources and convert the JSON content to Java object using the Gson library and Apache Commons IO library. By different Java example programs we learn how to convert JSON content to a HashMap, a List of Map, an object of a custom defined class or a List of objects.

Convert CharSequence to InputStream in Java using Apache Commons IO

In this Java tutorial, we learn how to use the IOUtils utility class in Apache Commons IO library to convert a CharSequence object to an InputStream object.

Read Content from URL into String in Java using Apache Commons IO

In this Java tutorial, we learn how to get the content of an URL into a String object using IOUtils utility class of Apache Commons IO library.

Read Content from URI into String in Java using Apache Commons IO

In this Java tutorial, we learn how to get the content of an URI into a String object using IOUtils utility class of Apache Commons IO library.

Read Content from URL into Byte Array in Java using Apache Commons IO

In this Java tutorial, we learn how to get the content of an URL into a byte array using IOUtils utility class of Apache Commons IO library.

Read Content from URI into Byte Array in Java using Apache Commons IO

In this Java tutorial, we learn how to get the content of an URI into a byte array using IOUtils utility class of Apache Commons IO library.

Convert String to InputStream in Java using Apache Commons IO

In this Java tutorial, we learn how to use the IOUtils utility class in Apache Commons IO library to convert a String object to an InputStream object.

Convert Reader to Char Array in Java using Apache Commons IO

In this Java tutorial, we learn how to read the Reader object as a char array using IOUtils utility class of Apache Commons IO library.

Convert Reader to Byte Array in Java using Apache Commons IO

In this Java tutorial, we learn how to read the Reader object as a byte array using IOUtils utility class of Apache Commons IO library.