1. Talk about overriding, overloading.
2. Talk about JAVA design patterns you known.
3. Talk about the difference between LinkList, ArrayList and Victor.
4. Talk about the difference between an Abstract class and an Interface.
5. Class a = new Class(); Class b = new Class();
if(a == b) returns true or false, why?
6. Why we use StringBuffer when concatenating strings?
7. Try to explain Singleton to us? Is it thread safe? If no, how to make itthread safe?
8. Try to explain Ioc?
9. How to set many-to-many relationship in Hibernate?
10. Talk about the difference between INNER JOIN and LFET JOIN.
11. Why we use index in database? How many indexes is the maximum in one table asyour suggestion?
12. When ‘Final’ is used in class, method and property, what dose it mean?
13. Do you have any experience on XML? Talk about any XML tool youused ,e.g. JAXB, JAXG.
14. Do you have any experience on Linux?
15. In OOD what is the reason when you create a Sequence diagram? Administrator 10:34:20 1,堆和栈的区别,有一个64k的字符串,是放到堆上,还是放到栈上,为什么? 2,什么时候用到接口,什么时候用到抽象类,二者区别 3,有一个100万的数组,里边有两个市重复的,如何设计算法找到。 4,设计数据库时,n维,如何设计。 例如[省份][城市][网吧],这是三维关系,它的表也应该有三个,网吧有外键引用城市,城市有外键应用省份,这个规律就是下层的要有一外键去引用上层。 |