How to delete mutiple folders,subfolders of last week in java

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Java

How to delete multiple folders,subfolders of last week in java

Ex. Currently I am creating a folder(parent directory) in HH_DD_MONTH_results (ex. 22_06_November_results) format and subdirectory in HHhour format

Problem: Currently I have current week & last week folders and subfolders ,now I want to delete last week created folder & sub folders, how I can delete only those folder ??

I have prepared following code which is currently creating directory and subdirectories and delete all of them but not to time specific

Please suggest me solution about my problem

package mkdirJava;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Locale;

public class Check2
{
public static String givePath;


public static void takepath()
{
Date date=new Date();
int dd=date.getDate();
int mm=date.getMonth();
int hh=date.getHours();
Date dateq=new Date();
Calendar c = Calendar.getInstance();
String month=c.getDisplayName(Calendar.MONTH, Calendar.LONG, Locale.ENGLISH );
String dirname =hh+"_"+dd+"_"+month+"_results";
String subdir = hh+"hour";
File parentFile = new File("C:\\EclipseJDk\\mkdirJava\\images");
String papa=parentFile.getAbsolutePath().toString();
for(File f4:parentFile.listFiles())
{

System.out.println(f4);
}
// List<string>abc3= new ArrayList<string>();
File f1 = new File("C:\\EclipseJDk\\mkdirJava\\images\\"+dirname);

if(!f1.exists())
{
f1.mkdirs();

}
File f2 = new File(f1.getAbsolutePath()+"\\"+subdir);
f2.mkdir();
givePath = f2.getAbsolutePath().toString();
System.out.println(givePath);
deleteDir(parentFile);
}



public static void deleteDir(File parentFile )
{

for(File f5:parentFile.listFiles())
{
for(File mainfile:f5.listFiles())
{
for(File subfile: mainfile.listFiles())
{
subfile.delete();
}

f5.delete();
}

F5.delete();
}
}




public static void main(String args[])
{
takepath();
}


}