hi, iam using struts, i have one class i.e LateExtra,in this class i have wriiten the code like below double lateExtraAmount = calc.calculateLateExtra(currentContract); from the above iam getting the lateExtraAmount for ex:intially the amount is 2000 After that i Updated the amount to 2500, then the lateExtraAmount =Updated Amount-Intial amount i.e 500, then After that iam setting the value as model.setAmount(String.valueOf(lateExtraAmount)); After some time I updated the amount from 2500 to 2600 then lateExtraAmount=Updated Amount-Intial amount i.e 100. but i want the previous added lateExtraAmount and Latest added lateExtraAmount .for that i have wriiten the code like below String newLateExtraAmount=new Double(Double.parseDouble(model.getAmount())+lateExtraAmount).toString(). model.setAmount(String.valueOf(newLateExtraAmount)); but the problem with the above code is whenever iam going to that screen the amount is incrementing. my problem is there anyway to store the previous added lateExtraAmount? so that i can add the previous added lateExtraAmount with Latest added lateExtraAmount.i will get the result properly if anybody knows please assist me i have been trying from the last two days... thanks, prasad
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