Exception encountered while doing list remove on Android

Source: Internet
Author: User

The goal is to find a matching pendingstatuslist from the createdlist and remove it from the Pendingstatuslist .

for (Docsyncstatus pendingdss:pendingstatuslist) {for        (Docsyncstatus createddss:createdlist) {            if (pendingDs S.getdochash (). Equals (Createddss.getdochash ())) {                //Add into the Res list to delete them from the DB.                                     Successdocstatusres.add (PENDINGDSS);                LOG.I (TAG, "Find the pending doc in the Docsync cloud server by syncdoc,pendingdss=" + Pendingdss);                Pendingstatuslist.remove (PENDINGDSS);}}}    



The above code will report an exception:java.util.ConcurrentModificationException

The reason was found here from http://blog.csdn.net/aa4790139/article/details/6438869 and changed to the following version:

for (Iterator it = Pendingstatuslist.iterator (); It.hasnext ();) {            Docsyncstatus Pendingdss = (docsyncstatus) it.next ();            for (Docsyncstatus createddss:createdlist) {                if (Pendingdss.getdochash (). Equals (Createddss.getdochash ())) {                    //Add into the Res list to delete them from the DB.                    Successdocstatusres.add (PENDINGDSS);                    LOG.I (TAG, "Find the pending doc in the Docsync cloud server by syncdoc,pendingdss=" + Pendingdss);                                        It.remove ();}}}        



The second time remove, the above version of the report exception:java.lang.IllegalStateException

From http://stackoverflow.com/questions/13539716/ Java-error-when-removing-from-an-arraylist-more-than-once-illegalstateexcept found a solution here:

for (iterator<docsyncstatus> it = Pendingstatuslist.iterator (); It.hasnext ();) {            Docsyncstatus Pendingdss = (docsyncstatus) it.next ();            for (Docsyncstatus createddss:createdlist) {                if (Pendingdss.getdochash (). Equals (Createddss.getdochash ())) {                    //Add into the Res list to delete them from the DB.                    Successdocstatusres.add (PENDINGDSS);                    LOG.I (TAG, "Find the pending doc in the Docsync cloud server by syncdoc,pendingdss=" + Pendingdss);                                        It.remove ();}}}        


Exception encountered while doing list remove on Android

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