Copying from one directory to another directory, Also deleting files from a directory

import java.io.File;
import java.io.IOException;
import java.util.Calendar;

import org.apache.commons.io.FileUtils;

public class FileOperations {
public void copy_Directory_Files(){
    System.out.println("----u r in copy_directory==========");
    String[] monthName = {"January", "February",
            "March", "April", "May", "June", "July",
            "August", "September", "October", "November",
    "December"};
    Calendar cal = Calendar.getInstance();
    String monthSalary = monthName[(cal.get(Calendar.MONTH)-1)];
    int yearSalary = cal.get(Calendar.YEAR);
    String savefile=JPropertyReader.readProperty("savefile");
    File srcDir = new File(savefile);
    File srcDir1 = new File(JPropertyReader.readProperty("pdffiles"));
    String archivedraftfiles=JPropertyReader.readProperty("archivefiles")+monthSalary+yearSalary+JPropertyReader.readProperty("archivedrafts");
    String archievepdffiles=JPropertyReader.readProperty("archivefiles")+monthSalary+yearSalary+JPropertyReader.readProperty("archivepdffiles");
    File trgDir = new File(archivedraftfiles);
    File trgDir1 = new File(archievepdffiles);
    //boolean success=true;
    try {
            FileUtils.copyDirectory(srcDir, trgDir);
            FileUtils.copyDirectory(srcDir1, trgDir1);
        } catch (IOException e) {
        e.printStackTrace();
    }
   
}
public static boolean delete_Files(){
    boolean t=true;
    String savefile=JPropertyReader.readProperty("savefile");
    String pdffiles=JPropertyReader.readProperty("pdffiles");
    File directory = new File(savefile);
    File[] files = directory.listFiles();
    for (File file : files)    {
        if (!file.delete())
        {
            t=false;
        }
    }
    File directory1 = new File(pdffiles);
    File[] files1 = directory1.listFiles();
    for (File file : files1)    {
        if (!file.delete())
        {
            t=false;
        }
    }
    return t;
  }   
}
jproperty Reader class


import java.util.ResourceBundle;
public class JPropertyReader {
    public static String readProperty(String key) {
        String PROPERTY_FILE=MessageConstants.prop_dir;
        ResourceBundle rb = ResourceBundle.getBundle(PROPERTY_FILE);
        String propvalue=rb.getString(key);
        return propvalue;
    }
    public static String  readlog4JProperty(String strKey)
    {    String PROPERTY_NAME="ATR";
        ResourceBundle rb=ResourceBundle.getBundle(PROPERTY_NAME);
        String strPropertyValue=rb.getString(strKey);
        return strPropertyValue;
    }
}
ATR.Properties file 
#Authentication details
username=centris
password=centris


#validation details
user_req=<br><font color=#FFCC00> * <b>Username is required</b></font>
pwd_req=<br><font color=#FFCC00>  * <b>Password is required</b></font>

#file constants
savefile=D:/Drafts/
pdffiles=D:/Payslips/
archivefiles=D:/archive/
archivedrafts=/Drafts/
archivepdffiles=/Payslips/
csvfile=D:/Drafts/payslip.csv

FROM_ADDRESS=venkatesh.s@centrisinfotech.com
SENDER_PASSWORD=ven123$


#image constants
logo_img=/ATR/images/centrislogo.png
pdflogo_img=http://localhost:8080/ATR/images/centrislogo.png
home_img=/ATR/images/home.jpg
upload_img=/ATR/images/upload.jpg
pdfgen_img=/ATR/images/createpdf.png
sendmail_img=/ATR/images/emaillaw.jpg
logout_img=/ATR/images/log.gif
back_img=/ATR/images/back.png
audit_img=/ATR/images/audit.jpg
#Property file location details
prop_dir=ATR

ATR_LOG_PATH=D\:/ATRLogs/ss
LOG4J_PATH=D\:/Tomcat 5.5/webapps/ATR/WEB-INF/classes/log4j.properties

# Resources for parameter 'com.centris.struts.ATR'
# Project ATR