网络工程师招聘试题

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网络工程师招聘试题

Please write your answer in answer sheet

Notice: These Exam Questions may he multi answers!

1.The Person, Student and Teacher are class names. These classes he the following inheritance relation as shown below:

Person (Parent)

Student (child) Teacher (child)

In Ja source file a specific method has an argument, In order to handle all these classes in this method which type of argument of this method should be used?

A.Person

B.Student

C.Teacher

D.Object

E.None of them can be used.

2.Given the following class definition in one source file:

Class Base {

Public Base () { …}

Public Base ( int m ) { …}

Protected void fun ( int n ) { …}

Public class child extends Base { member methods}

Which methods can be added into the child class correctly?

A.private void fun(int n){ …}

B.void fun (int n){ …}

C.protected void fun(int n){ …}

D.public void fun(int n){ …}

E.public m(){ …}

3.What is the result of executing the following code, using the parameters 4 and 0;

Public void divide(int a, int b){try

{int c=a/b;}catch(Exception e){System out print(“Exception”);}

A.Prints out: Exception Finally

B.Prints out: Finally

C.Prints out: Exception

D.No output

4.The range of int is _______________________.

5.请基于Object Oriented[基于对象的编程]使用ja语言结构设计一个航天空母舰[包括舰载飞机]对象组[object:carrier,plane……etc].

6.实现Ja程序：

功能要求：将一个输入字符串，根据参数替换对子字符串后返回，优化速度，优化空间。

例：输入值“ABBCD”，操作方式为把子字符串“AB”替换为“EF”返回值“EFBCD”

public string reversestring(string instr,string substr,string replacestr){……在答题纸上实现代码……}

7.实现Ja程序：

功能要求：返回输入字符串中最大的连续相同的子字符串，优化速度，优化空间。[注：请勿使用String. Replace

11(String, String)自己实现算法]

例：输入值“ABBC”返回值“BB”

public string getsubstring(string instr){……在答题纸上实现代码……}

8.based on your understanding of the following ja related technologies:servlcts, JaServerPage,JaBeans,Enterprise JaBeans, how do you think these technologies are work together or are applied in the development of an inter-based application(可以使用示意图方式)

9.请描述在关系型数据库应用中，应该基于哪些原则进行SQL条件语句[where……]进行性能调优？

10.请描述你是如何不断跟进和了解最新的软件技术[尤其是在软件开发领域的技术]，近期你在钻研哪些技术？

网络工程师招聘试题