版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/xiaozhou_zi/article/details/81317054
List<Persons> personsOneList = new ArrayList<>(); Persons onePerson = new Persons(); Map<String,Object> oneProperties = new HashMap<>(); oneProperties.put("id","001"); oneProperties.put("name","jack1"); oneProperties.put("age","13"); onePerson.setProperties(oneProperties); personsOneList.add(onePerson); Persons twoPerson = new Persons(); Map<String,Object> twoProperties = new HashMap<>(); twoProperties.put("id","002"); twoProperties.put("name","jack2"); twoProperties.put("age","14"); twoPerson.setProperties(twoProperties); personsOneList.add(twoPerson); Persons threePerson = new Persons(); Map<String,Object> threeProperties = new HashMap<>(); threeProperties.put("id","003"); threeProperties.put("name","jack3"); threeProperties.put("age","15"); threePerson.setProperties(threeProperties); personsOneList.add(threePerson); List<Persons> personsOtherList = new ArrayList<>(); Persons sevenPerson = new Persons(); Map<String,Object> sevenProperties = new HashMap<>(); sevenProperties.put("id","009"); sevenProperties.put("name","jack3"); sevenPerson.setProperties(sevenProperties); personsOtherList.add(sevenPerson); Persons fourPerson = new Persons(); Map<String,Object> fourProperties = new HashMap<>(); fourProperties.put("id","001"); fourProperties.put("name","jack1"); fourPerson.setProperties(fourProperties); personsOtherList.add(fourPerson); Persons fivePerson = new Persons(); Map<String,Object> fiveProperties = new HashMap<>(); fiveProperties.put("id","002"); fiveProperties.put("name","jack2"); fivePerson.setProperties(fiveProperties); personsOtherList.add(fivePerson); Persons sixPerson = new Persons(); Map<String,Object> sixProperties = new HashMap<>(); sixProperties.put("id","003"); sixProperties.put("name","jack3"); sixPerson.setProperties(sixProperties); personsOtherList.add(sixPerson); for(int i = 0;i<personsOneList.size();i++) { for(int j = 0;j<personsOtherList.size();j++) { int size = 0; for (Map.Entry<String, Object> entry : personsOtherList.get(j).getProperties().entrySet()) { if (personsOneList.get(i).getProperties().containsKey(entry.getKey()) && personsOneList.get(i).getProperties().containsValue(entry.getValue())) { size++; } } if(size == personsOtherList.get(j).getProperties().keySet().size()) { personsOtherList.remove(j); } } } System.out.println(personsOtherList.size());