#Java - Code Snippets for '#Remove duplicates from list'

#Java - Code Snippets for '#Remove duplicates from list' - 2 code snippet(s) found

Sample 1. Method to remove duplicates from a Map ( string and List of objects ) by matching the member field of the object.

Map<String,List<ClassInfoBean>> removeDuplicates(Map<String, List<ClassInfoBean>> interfaceMap){

   Map<String, List<ClassInfoBean>> interfaceMapWithoutDuplicate = new HashMap();

      

   for(Map.Entry<String, List<ClassInfoBean>> entry: interfaceMap.entrySet()){

      List<ClassInfoBean> classListWithoutDuplicate = new ArrayList();

      boolean alreadyContain = false;

      for(ClassInfoBean classes: entry.getValue()){

         for(ClassInfoBean classes1: classListWithoutDuplicate){

            if(classes1.name.equalsIgnoreCase(classes.name)){

               alreadyContain = true;

               break;

            }

         }

         if(alreadyContain == false){

            classListWithoutDuplicate.add(classes);

         }

      }

      interfaceMapWithoutDuplicate.put(entry.getKey(), classListWithoutDuplicate);

   }

      

   return interfaceMapWithoutDuplicate;

}

_{Like Feedback map map of list of objects remove duplicates from map Map.Entry}

Sample 2. Method to remove duplicates from a List of objects by matching the member elements of objects.

List<ClassInfoBean> removeDuplicates(List<ClassInfoBean> listClassInfo){

   Set<ClassInfoBean> set = new HashSet();

   Set<String> url = new HashSet();

   boolean flag = false;

   for(ClassInfoBean cl: listClassInfo){

      if(!url.contains(cl.url)){

         set.add(cl);

         url.add(cl.url);

      }

   }

      

   return new ArrayList(set);

}

_{Like Feedback list list of objects remove duplicates from list}

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