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Java - Code Samples

 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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