视频上是对的，我写了就错了

源自：4-1 获取所有学生数据

视频上是对的，我写了就错了

public Student(Map

map){ this.id = (int)map.get("id"); this.stuName = (String)map.get(stuName); this.age = (int)map.get("age"); this.gender = (int)map.get("gender"); this.address = (String)map.get(address); } Cannot cast from Object to int不知道怎么调试,object>

提问者：zcs1818918 2016-09-30 12:00

个回答

小羊杨

2016-10-04 09:01:07

this.id = (int)map.get("id"); this.stuName = (String)map.get(stuName)前面id加了“”为啥后面的都不加。this.id = (int)map.get("id"); this.stuName = (String)map.get("stuName")都加""试试。

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