How to get Yester day Date

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package com.javasunderesan; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class FindYesterDayDate { public static void main(String[] args) { FindYesterDayDate fydd = new FindYesterDayDate(); System.out.println(fydd.getYesterdayDateString()); } public String getYesterdayDateString() { String prevDate = null; Calendar cal = null; SimpleDateFormat datetimeFormatYYYYMMDD = new SimpleDateFormat("yyyy-MM-dd"); String currDate = datetimeFormatYYYYMMDD.format(new Date()); try { cal = Calendar.getInstance(); cal.setTime(datetimeFormatYYYYMMDD.parse(currDate)); cal.add(Calendar.DATE, -1); prevDate = datetimeFormatYYYYMMDD.format(cal.getTime()); } catch (Exception e) { e.printStackTrace(); } finally { cal = null; } return prevDate; } }