Java Convert String to Byte Array

In this Java tutorial we learn how to convert a String value into a byte[] array in Java programming language.

Java Convert Byte Array to String

In this Java tutorial we learn how to convert a byte[] array into String value in Java program.

Java Convert Word File Docx to PDF using documents4j library

In this Java tutorial we learn how to use the documents4j Java library to convert Microsoft Word .docx file into .pdf file in Java application.

Java Get All Field Names of Class

In this Java tutorial we learn how to implement an utility class to programmatically get all field names of the class and supper classes of an object in Java.

Java Get User Current Working Directory

In this Java tutorial we learn how to get the user’s current working directory with different solutions. Via different Java examples code you learn how to use system property, Java IO and Java NIO API to get the working directory in a Java application.

Java Parse String to Number using NumberFormat class

In this Java tutorial we learn how to convert a String value into Number value using java.text.NumberFormat class.

Java Format Number using NumberFormat class

In this Java tutorial we learn how to use the java.text.NumberFormat class to format different type of numbers in different locales in Java application.

Java Create New File using Files.createFile()

In this Java NIO tutorial we learn how to create a new file in Java application using the Files.createFile() method.

Java Create a New Directory using Files.createDirectory()

In this Java NIO tutorial we learn how to use the Files.createDirectory() method in Java application to create a new directory.

Java Create Parent and Sub Directories using Files.createDirectories()

In this Java NIO tutorial we learn how to create parent and sub directories of a file path in Java application using the Files.createDirectories() method.