**需要导入第三方jar包：gson-2.2.1.jar

package demo06;

import java.util.List;

import com.google.gson.Gson;

import com.google.gson.reflect.TypeToken;

public class Test03 {

/**

 * @param args

 */

public static void main(String[] args) {

String json = "[{name:'张三',scores:"

+ "{en:90,math:99,cn:89}}, {name:'李四',scores:{en:80,math:90,cn:99}}]"; 

TypeToken<List<User>>type=new TypeToken<List<User>>(){};

Gson gson=new Gson();

List<User>list=gson.fromJson(json,type.getType());

    for(User u:list){

     System.out.println(u);

    }

}

}

class Score{

int en;

int math;

int cn;

@Override

public String toString() {

return "Score [en=" + en + ", math=" + math + ", cn=" + cn + "]";

}

}

class User{

String name;

Score scores;

@Override

public String toString() {

return "User [name=" + name + ", scores=" + scores + "]";

}

}

原文链接：http://www.apkbus.com/blog-813041-61014.html