import java.util.*;
import java.text.*;
import java.io.* ;


public class TextLoggerExample {

    public static void main(String [] args)   { 
        try{
            String data = " \r\n---------------\n\r";           
            
            Date dNow = new Date( );
              String str = String.format("Current Date/Time : %tc", dNow );
            data += str;
            
                
            data+= "\r\n This content will append to the end of the file \n\r";
      
            File file =new File("logger.txt");
 
            //if file doesnt exists, then create it
            if(!file.exists()){
                file.createNewFile();
            }
 
            //true = append file
            FileWriter fileWritter = new FileWriter(file.getName(),true);
                BufferedWriter bufferWritter = new BufferedWriter(fileWritter);
                bufferWritter.write(data);
                bufferWritter.close();
 
            
 
        }catch(IOException e){
            e.printStackTrace();
        }
    }
}