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The Java File Class 1. Overview In this tutorial, we’ll give an overview of the File class, which is part of the java.io API. The File class gives us the ability to work with files and directories on the file system. 2. Creating a File Object The File class has 4 public constructors. Depending on… Continue Reading java-io-file
Scanner nextLine() Method 1. Overview In this quick tutorial, we’ll briefly look at the nextLine() method of java.util.Scanner class, of course with a focus of learning how to use it in practice. [[nextLine method]] === 2. Scanner.nextLine() [[nextLine method]]The nextLine() method of the java.util.Scanner class scans from the current position… Continue Reading java-scanner-nextline
Java FileWriter 1. Overview In this tutorial, we’ll learn and understand the FileWriter class present in the java.io package. 2. FileWriter FileWriter is a specialized OutputStreamWriter for writing character files. It doesn’t expose any new operations but works with the operations inherited from the OutputStreamWriter and Writer classes. Until Java… Continue Reading java-filewriter
Apache Commons IO 1. Overview The Apache Commons project was created to provide developers with a set of common libraries that they can use in their day-to-day code. In this tutorial, we’ll explore some of the key utility classes of the Commons IO module and their most well-known functions. 2.… Continue Reading apache-commons-io
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Read and Write User Input in Java 1. Introduction In this quick tutorial, we’ll demonstrate several ways to use a console for user input and output in Java. We’ll have a look at a few methods of the Scanner class for handling input, and then we’ll show some simple output using System.out. Finally,… Continue Reading java-console-input-output
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How to Read a File in Java 1. Introduction In this article, we will see how we can read a file from a classpath, URL or inside a JAR file, using standard Java classes. Further reading: Java – Create a File How to create a File in Java using JDK… Continue Reading reading-file-in-java
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Java NIO2 Path API 1. Overview In this article, we will learn how to use the new I/O (NIO2) Path API in Java. The Path APIs in NIO2 constitute one of the major new functional areas that shipped with Java 7 and specifically a subset of the new file system… Continue Reading java-nio-2-path
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A Guide To NIO2 Asynchronous File Channel 1. Overview In this article, we are going to explore one of the key additional APIs of the new I/O (NIO2) in Java 7, asynchronous file channel APIs. If you are new to asynchronous channel APIs in general, we have an introductory article… Continue Reading java-nio2-async-file-channel
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Java Scanner 1. Overview In this tutorial, we’ll illustrate how to use the Java Scanner to read input and find and skip patterns with different delimiters. 2. Scan a File First – let’s see how to read a file using Scanner. In the following example – we read a file… Continue Reading java-scanner
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Java – Convert File to InputStream 1. Overview In this quick tutorial, we’re going to show how to convert a File to an InputStream – first using plain Java and then Guava and the Apache Commons IO library. This article is part of the “Java – Back to Basic” series… Continue Reading convert-file-to-input-stream
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