How do I open a file using the default registered application?

By Wayan in AWT, Core API 1 Comment

If you want to open a file using the default registered or associated application for those files you can use the Desktop.open(File file) method call. In the example below we’ll ask the Desktop class to open a text file.

package org.kodejava.awt;

import java.awt.*;
import java.io.File;
import java.io.IOException;

public class RunningDefaultAppOpen {
    public static void main(String[] args) {
        // A reference to a text file
        File file = new File("data.txt");

        try {
            Desktop desktop = Desktop.getDesktop();

            // Open a file using the default program for the file type.
            // In the example we will launch a default registered
            // program to open a text file. For example on Windows
            // operating system this call might launch a notepad.exe
            // to open the file.
            desktop.open(file);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
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