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#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;
}

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 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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