Sunday, 11 June 2017

Java Tutorial : Java IO (Java File - How to get a list of file and dir) ~ foundjava


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Java Tutorial : Java IO (Java File - How to get a list of file and dir) 
FileDemo1.java
import java.io.File;

/*
 *  Read List of Files in a Directory
 */
public class FileDemo1
{

    public static void main(String[] args)
    {
        File file = new File("D:/work/");
        /*
         * Returns an array of strings naming the files and
         * directories in the directory denoted by this
         * abstract pathname.
         */
        String[] strArray = file.list();

        for (String fileName : strArray)
        {
            System.out.println(fileName);
        }
    }

}
Output
HelloWorld.txt
java.txt
misc
myfile.txt
FileDemo2.java
import java.io.File;

/*
 *  Read List of Files in a Directory
 */
public class FileDemo2
{

    public static void main(String[] args)
    {
        File file = new File("D:/work/");
        /*
         * Returns an array of abstract pathnames denoting
         * the files in the directory denoted by this
         * abstract pathname.
         */
        File[] fileArray = file.listFiles();

        for (File file2 : fileArray)
        {
            System.out.println(file2.getName());
        }
    }

}
Output
HelloWorld.txt
java.txt
misc
myfile.txt
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