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Guide to Java OutputStream   1. Overview In this tutorial, we’ll explore details about the Java class OutputStream. OutputStream is an abstract class. This serves as the superclass for all classes representing an output stream of bytes. We’ll examine what do these words like “output” and “stream” mean in more… Continue Reading java-outputstream

Determine File Creation Date in Java 1. Overview JDK 7 introduced the ability to get a file’s creation date. In this tutorial, we’ll learn how we can access it through java.nio. 2. Files.getAttribute One way to get a file’s creation date is to use the method Files.getAttribute with a given… Continue Reading java-file-creation-date

Create a Symbolic Link with Java 1. Overview In this tutorial, we’ll explore different ways of creating a symbolic link in Java using the NIO.2 API, and explore the differences between hard and soft file links. 2. Hard vs Soft/Symbolic Links First, let’s define what file links are and what… Continue Reading java-symlink

Java – File to Reader In this quick tutorial we’re going to illustrate how to convert a File to a Reader using plain Java, Guava or Apache Commons IO. Let’s get started. This article is part of the “Java – Back to Basic” series here on Baeldung. 1. With Plain… Continue Reading java-convert-file-to-reader

Encrypting and Decrypting Files in Java 1. Overview In this tutorial, we’ll take a look on how to encrypt and decrypt a file using existing JDK APIs. 2. Writing a Test First We’ll start by writing our test, TDD style. Since we’re going to work with files here, an integration… Continue Reading java-cipher-input-output-stream

A Guide to the Java FileReader Class 1. Overview As the name suggests, FileReader is a Java class that makes it easy to read the contents of a file. In this tutorial, we’ll learn the basic concept of a Reader and how we can use the FileReader class for doing… Continue Reading java-filereader