Jun 4, 2014 · With JDK1.6, the java.awt.Desktop class can be useful. public static void open(File document) throws IOException { Desktop dt = Desktop.getDesktop(); dt.open(document); }

Feb 11, 2014 · I know how to read a file into java to be read or manipulated or even how to delete a file but I don't know how to execute an external file (stored on the user's system). For instance if I had a list of books and their locations on the user's system.

Read a File. In the previous chapter, you learned how to create and write to a file. In the following example, we use the Scanner class to read the contents of the text file we created in the previous chapter:

Aug 9, 2019 · Java contains the functionality of initiating an external process – an executable file or an existing application on the system, such as Google Chrome or the Media Player- by simple Java code. One way is to use following two classes for the purpose: Process class; Runtime class

Jan 8, 2024 · In this tutorial, we’ll explore different ways to read from a File in Java. First, we’ll learn how to load a file from the classpath, a URL, or from a JAR file using standard Java classes. Second, we’ll see how to read the content with BufferedReader, Scanner, StreamTokenizer, DataInputStream, SequenceInputStream, and FileChannel. We will ...

Jun 6, 2007 · This post shows step-by-step guide how write a code to execute a command-line program or an external application in Java.

Opening a file in an external application from a Java program is straightforward using the Desktop class, which is part of the java.awt package. This allows your application to interact with native applications and their functionalities.

Mar 6, 2013 · I want to open a file with another program. I can do it easily with the java.awt.Desktop class with this code: public static void open(File document) throws IOException { Desktop dt = Desktop.getDesktop(); dt.open(document); }

Oct 3, 2012 · These are the 3 effective ways that i can suggest for you to open external files in Java. // First way. Using the java.lang.Runtime class. // Second way. Using the java.lang.ProcessBuilder class. // Third way. Using the java.awt.Desktop class. Runtime class: Runtime class is in the java.lang package.

Dec 15, 2014 · Opening files in java seems a bit tricky -- for .txt files one must use a File object in conjunction with a Scanner or BufferedReader object -- for image IO, one must use an ImageIcon class -- and ...