HashMap ArrayList 和 List对象的转换

public static void main(String[] args) {
        List list = new ArrayList<>();
    
        HashMap map = new HashMap<String,Object>();
        map.put("name","zhou");
        map.put("age",20);
        map.put("Address","hubei");
        map.put("career","student");
        list.add(map);
        
        HashMap map1 = new HashMap<String,Object>();
        map1.put("name","zhangsan");
        map1.put("age",30);
        map.put("Address","wuhan");
        map.put("career","teacher");
        list.add(map1);
        
        System.out.println(list);
        JSONArray result = JSONArray.fromObject(list);
        
        List<Person> jsonDtosList = (List<Person>) JSONArray.toCollection(result,Person.class);
        
        System.out.println(jsonDtosList);

package stream;

public class Person {
    private String name;
    private int age;
    private String address;
    
    
    
    public String getName() {
        return name;
    }



    public void setName(String name) {
        this.name = name;
    }



    public int getAge() {
        return age;
    }



    public void setAge(int age) {
        this.age = age;
    }



    public String getAddress() {
        return address;
    }



    public void setAddress(String address) {
        this.address = address;
    }
    
    



    /*
     * public Person(String name,int age) {
     * 
     * this.name = name; this.age = age; }
     */
    

}