How to Find a File in Directory in Java
Learn to find a file by name in a given directory and its sub-directories in Java and search up to a configured depth of sub-directories with examples.
Java FileWriter
The Java FileWriter class is for writing the text to the character-based files using a default buffer size. It uses character encoding default to the platform, if not provided otherwise. FileWriter is usually wrapped by higher-level Writer types, such as BufferedWriter or PrintWriter. FileWriter provides better performance and higher-level, more …
Java InputStreamReader
The Java InputStreamReader class is often used to read characters from files (or network connections) where the bytes represents text. In this Java tutorial, we will learn about InputStreamReader class, its creation and initialization, and its methods which help in reading the data from the source. 1. InputStreamReader class It …
Guide to Java StringReader
Java StringReader represents a character stream whose source is a string. Use it to pass a string to a method that accepts a Reader Type.
Java FileReader
Java FileReader class can be used to read data (stream of characters) from files. In this tutorial, we will learn about FileReader class, its constructors, methods and usages with the help of examples. 1. Introduction The FileReader class is: 2. Creating FileReader To use the FileReader in the application, we …
Listing All Files in a Directory in Java
In this example, we will learn to use java 8 APIs along with Files.list() and DirectoryStream to list all files present in that directory.
Java Unzip File with Sub-directories
Java examples of unzipping and extracting the zip file using java.util.zip package and apache commons compress module.
Guide to Java BufferedWriter
Learn to create BufferedWriter with default, configure custom internal buffer sizes and write characters data into a file using it.
Guide to Java BufferedReader
Learn to create and operate the BufferedReader instance, set default buffer size and read from a file and system console with examples.
How Java IO Works Internally?
Learn how Java IO operations are mapped at the machine level; and what all things the hardware does all the time when application is running.
Java Read and Write Properties File Example
Learn to read property file in java using Properties.load() method. Then we will use Properties.setProperty() method to write a new property into file,
Java Base64 Encode and Decode Example
Java 8 introduced ‘java.util.Base64‘ utility class that provides built-in support for performing base64 encoding and decoding operations as specified in RFC 4648 and RFC 2045. Let us explore Base64 encode and decode processes with various usecases with examples. 1. What is Base64? Base64 is a binary-to-text encoding scheme that converts …
Java Standard IO vs New IO
Java New input/output (NIO) was introduced with JDK 1.4. Picking up where Standard IO leaves, NIO provides high-speed, block-oriented IO to Java library. By defining classes to hold data, and by processing that data in blocks, NIO takes advantage of low-level optimizations in a way that the java.io package could …