去重

[java]代码库

  方法1
         HashMap<String ,String> questionMap = new HashMap<String , String>();    

         for(int i=0;i<listMyQuestionDisplay.size();i++){
        	 for(int j=0;j<listData.size();j++){
        		 if(listMyQuestionDisplay.get(i).getId()==listData.get(j).getQuestionType().getId()){
        			 questionMap.put(listMyQuestionDisplay.get(i).getId(), listMyQuestionDisplay.get(i).getQuestionTypeName());
        		 }
        	 }
         }
         listMyQuestionDisplay.clear();
         for (String key : questionMap.keySet()) {
        	   DisplaceQuestionTypeEntity myQuestionDisplay = new DisplaceQuestionTypeEntity();
          	 myQuestionDisplay.id=key;
          	 myQuestionDisplay.questionTypeName=questionMap.get(key);
          	 listMyQuestionDisplay.add(myQuestionDisplay);
        	  }
方法2
for(int i=0;i<ii.size()-1;i++){
        for(int j=i+1;j<ii.size();j++){
             if(ii.get(i).id==ii.get(j).getId()&&ii.get(i).publicid==ii.get(j).publicid){
                 score=ii.get(j).getScore()+ bookList.get(i).getScore();
                 bookList.get(i).setScore(score);;
                  bookList.remove(j);
                  j=j-1;
             }
             
        }
}