The @FunctionalInterface annotation is type of information annotation which introduce from Java 8 to indicate that an interface is intended to be a functional interface. In this Java 8 tutorial we learn how to use the @FunctionalInterface annotation in Java programs.
In this Java tutorial we learn how to export .pdf files from HTML template files using the Thymeleaf and Flying Saucer PDF libraries.
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.
In this Spring Boot tutorial we will show you the step by step guide how to implement a Spring Boot console application to generate .pdf files from HTML template files. In order to create the .pdf file we will use Thymeleaf template library to process the HTML template file then from the processed HTML file we use the Flying Saucer PDF library to generate the .pdf file.
In this Java core tutorial we learn how to format a LocalTime value to formatted String using the DateTimeFormatter class.
In this Java core tutorial we learn how to format a LocalTime value to formatted String using the DateTimeFormatter class.
In this Java core tutorial we learn how to format a LocalDate value to formatted String using the DateTimeFormatter class.
In this Java core tutorial we learn how to format a LocalDateTime value to formatted String using the DateTimeFormatter class.
In this Java core tutorial we learn how to use the java.math.BigInteger.subtract() method to subtract two BigInteger values.
In this Java core tutorial we learn how to use the java.math.BigInteger.pow() method to calculate the value of a given BigInteger value to the power of an integer number.