java.lang.ClassCastException: java.math.BigDecimal cannot be cast to java.lang.String

Question

I am trying to iterate a list which contains multiple Ids like this:

[148066, 148065, 148064, 148063, 148062, 148061, 148060, 148059, 148058, 148057, 148056]

List<String> list= DbService.getPayUVerificationList();

where this above list object contains all the fetched Ids from DB.

 if(null != list && !list.isEmpty())
 {
     for (int i = 0; i < list.size(); i++) {

            //System.out.println(list.get(i));
            //String txnId= list.get(i).toString();
            //String txnId = (String) list.get(i);
           //String txnId = (String) list.get(i);
            String txnId = (String) list.get(i).toString();
            String output=hdfcService.checkPayStatusByPayU(txnId);
        }
   }

but i am getting

java.lang.ClassCastException: java.math.BigDecimal cannot be cast to java.lang.String

I have tried lot of casting and approaches but all in vain.

Edit 1: As many are saying that this "list.get(i).toString()" should work but in my case this is still not working and i have no idea about this.

This is nothing but list.get(i).toString() itself, which the OP has already tried. Ideally it should work — Pankaj Singhal
– Pankaj Singhal, Commented Oct 30, 2018 at 16:12
Possible duplicate of java.math.BigDecimal cannot be cast to java.lang.String? — Yash
– Yash, Commented Aug 5, 2019 at 11:35

suvojit_007 · Accepted Answer · 2018-10-30 16:03:55Z

3

String txnId = (String) list.get(i).toString(); should be String txnId = String.valueOf(list.get(i))

answered Oct 30, 2018 at 16:03

suvojit_007

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Comments

Pankaj Singhal · Accepted Answer · 2018-10-30 16:11:21Z

1

The following should work:

String.valueOf(list.get(i))

Which is essentially nothing but

list.get(i).toString()

So, what you've tried already should work for you.

edited Oct 30, 2018 at 16:11

answered Oct 30, 2018 at 16:05

Pankaj Singhal

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Comments

Jeryl Cook · Accepted Answer · 2018-10-30 16:19:06Z

1

instead of below, you should not use toString(), its already declared as a "String"

  String txnId = (String) list.get(i).toString();

Do this:

 String txnId = (String) list.get(i);

Or

 String txnId = String.valueOf(list.get(i))

answered Oct 30, 2018 at 16:19

Jeryl Cook

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1 Comment

nirmal sharma Over a year ago

list.get(i).toString() is still not working but later worked.

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