Delete.java Source code

Introduction

Here is the source code for Delete.java

Source

import java.io.File;

public class Delete {
    public static void main(String[] args) {
        String fileName = "file.txt";
        // A File object to represent the filename
        File f = new File(fileName);

        // Make sure the file or directory exists and isn't write protected
        if (!f.exists())
            throw new IllegalArgumentException("Delete: no such file or directory: " + fileName);

        if (!f.canWrite())
            throw new IllegalArgumentException("Delete: write protected: " + fileName);

        // If it is a directory, make sure it is empty
        if (f.isDirectory()) {
            String[] files = f.list();
            if (files.length > 0)
                throw new IllegalArgumentException("Delete: directory not empty: " + fileName);
        }

        // Attempt to delete it
        boolean success = f.delete();

        if (!success)
            throw new IllegalArgumentException("Delete: deletion failed");
    }

}