List<Area> list = .......


JSONObject json = new JSONObject(jsonstr);

String name = json.getString("name");
int area = json.getInt("area");
String renkou = ........
.....

Area result = new Area(name,area,renkou);

list.add(result);//源代码片段来自云代码http://yuncode.net
			

public class Area {

    private String name;
    private String area;
    private String renkou;

    public String getName() {
        return name;
    }

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

    public String getArea() {
        return area;
    }

    public void setArea(String area) {
        this.area = area;
    }

    public String getRenkou() {
        return renkou;
    }

    public void setRenkou(String renkou) {
        this.renkou = renkou;
    }
}


String json = "[{name:\"北京\",area:\"16000\",renkou:\"1000万\"}, {name:\"上海\",area:\"10000\",renkou:\"1000万\"}]";
 List<Area> areas = JSON.parseArray(json, Area.class);//源代码片段来自云代码http://yuncode.net