Remove a file or directory including its contents recursively

gistfile1.java

import java.io.File;
import java.io.IOException;

public class Rmr {

    public static void rmr(String path) {
        File target = new File(path);
        rmr(target);
    }

    public static void rmr(File target) {
        if (target.isDirectory()) {
            for (File entry : target.listFiles()) {
                rmr(entry);
            }
        }
        target.delete();
    }

    public static void main(String[] args) {
        if (args.length < 1) {
            System.err.println("no file");
        }

        try {
            rmr(args[0]);
        } catch (Exception e) {
            System.err.println(e.getMessage());
        }
    }
}