Read a File

Python Read File Line by Line (with Examples)

Python provides several ways to read a text file and process its lines sequentially or randomly. The correct method to use depends on the size of the file (large or small) and the ease of desired syntax. In this Python tutorial, we will discuss different approaches based on their clean syntaxes, ability to read large …

Read a File from AWS S3 using S3Client

Learn to read a text file stored in AWS S3 bucket. We will learn to read a public file or non-public file using the access/secret keys.

Reading a File into ArrayList in Java

Learn to read all the lines from a file into ArrayList using Java IO and NIO APIs, Stream API, Commons IO and Guava classes.

Reading a File at a Given Line Number in Java

Learn to read a specific line from a text file in Java. We will learn to write the solution for small files as well as large files as well.

Reading a Large File Efficiently in Java

Learn to read all lines from a large file (size in GB) in Java and avoid any performance pitfalls such as very high usage of memory or even OutOfMemoryError if the File is large enough.

Reading a File from Classpath in Java

Learn to read a file from classpath in Java. The file can be present at root of class path location or in any relative sub-directory.

Java 11 Files.readString()

Learn to read a file to string in Java using Files.readString(path) method. This API has been introduced in Java 11.

Java Read File to String (with Examples)

Learn to read a text file into String using Files.readAllBytes(), Files.lines() and BufferedReader classes in various ways.

Read a File from Resources Directory

Java examples of reading a file from the resources folder from a jar file, war file, spring application or the development environment.

Read File to Byte[] in Java

Learn reading data from files into a byte array in Java using NIO Files, FileInputStream, Commons IO FileUtils, and Guava ByteStreams classes.

Reading and Writing UTF-8 Data into File

Learn reading and writing UTF-8 content into a file using BufferedReader and BufferedWriter in Java.

Java Read a File Line by Line

In this Java tutorial, we will learn to read a text file line-by-line methods such as Streams or FileReader. We will also learn to iterate through lines and filter the file content based on some conditions. 1. Files.lines() – Stream through Lines of a File in Java 8 The Files.lines() …