Create a CSV file using java with Calendar to create directories

WriteFile.java

Calendar c = Calendar.getInstance();
			int mon = (c.get(Calendar.MONTH))+1;
			
			String monthpath = ""+mon;
			String yearpath=""+c.get(Calendar.YEAR);
			String datepath=""+c.get(Calendar.DATE);
			String monthyear  = monthpath.trim()+" "+yearpath.trim();
			int i=1;
			
			Boolean check = isSdPresent();
			//Toast.makeText(getApplicationContext(), "SDCARD Mounted?\n"+check, Toast.LENGTH_SHORT).show();
			if(check.TRUE)
			{
			File path = new File("/sdcard/Attendance/"+monthyear+"/"+datepath+"/");
			path.mkdirs();
			Toast.makeText(getApplicationContext(), "path created"+path, Toast.LENGTH_SHORT).show();
			store = c.get(Calendar.HOUR)+"_"+c.get(Calendar.MINUTE)+"_"+c.get(Calendar.SECOND)+"_"+string2;
			//dispDate = "Date: "+datepath+"/"+monthpath+"/"+yearpath+"\tTime: "+store;
			//Toast.makeText(getApplicationContext(), store, Toast.LENGTH_LONG).show();
			//FileOutputStream fo = new FileOutputStream(path+"/_File.csv");
			FileOutputStream fo = new FileOutputStream(path+"/"+recBranch+"_"+recFaculty+"_"+store+"File.csv");
			//Toast.makeText(getApplicationContext(), "Going to write"+fo, Toast.LENGTH_SHORT).show();
				fo.write(string.getBytes());
			//Toast.makeText(getApplicationContext(), "Successfully Stored, FileName/n"+recBranch+"_"+recFaculty+"_"+store,Toast.LENGTH_SHORT).show();
			fo.close();
			Toast.makeText(getApplicationContext(), "File Stored at"+path+"/", Toast.LENGTH_LONG).show();