ProjectSandbox.java

package bvira;

public class ProjectSandbox implements FileSystem {
    public void clean() {
        //To change body of created methods use File | Settings | File Templates.
    }

    public void mkdir(String directoryName) {
        //To change body of implemented methods use File | Settings | File Templates.
    }

    public void copy(String from, String to) {
        //To change body of implemented methods use File | Settings | File Templates.
    }
}