import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import org.junit.Assert;
import org.junit.Test;

import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;

public class Issue3679 {
    private static final String list_map_st_obj = "[{\"123\":951753},{\"456\":\"second\"},{\"789\":777},{\"999\":[1,2,3]}]";

    @Test
    public void test1() {
        List<Object> temp = JSON.parseArray(list_map_st_obj, new Type[]{
                new TypeReference<Map<String, Integer>>() {
                }.getType(),
                new TypeReference<Map<String, String>>() {
                }.getType(),
                new TypeReference<Map<String, Integer>>() {
                }.getType(),
                new TypeReference<Map<String, int[]>>() {
                }.getType(),
        });
        Assert.assertEquals(list_map_st_obj, JSON.toJSONString(temp));
    }
}