網(wǎng)絡(luò)工程師招聘試題

　　網(wǎng)絡(luò)工程師招聘試題

　　Please write your answer in answer sheet

　　Notice: These Exam Questions may have multi answers!

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

　　Person (Parent)

　　Student (child) Teacher (child)

　　In Java 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.請基于Object Oriented[基于對象的編程]使用java語言結(jié)構(gòu)設(shè)計(jì)一個(gè)航天空母艦[包括艦載飛機(jī)]對象組[object:carrier,plane……etc].

　　6.實(shí)現(xiàn)Java程序：

　　功能要求：將一個(gè)輸入字符串，根據(jù)參數(shù)替換對子字符串后返回，優(yōu)化速度，優(yōu)化空間。

　　例：輸入值“ABBCD”，操作方式為把子字符串“AB”替換為“EF”返回值“EFBCD”

　　public string reversestring(string instr,string substr,string replacestr){……在答題紙上實(shí)現(xiàn)代碼……}

　　7.實(shí)現(xiàn)Java程序：

　　功能要求：返回輸入字符串中最大的連續(xù)相同的子字符串，優(yōu)化速度，優(yōu)化空間。[注：請勿使用String. Replace^11(String, String)自己實(shí)現(xiàn)算法]

　　例：輸入值“ABBC”返回值“BB”

　　public string getsubstring(string instr){……在答題紙上實(shí)現(xiàn)代碼……}

　　8.based on your understanding of the following java related technologies:servlcts, JavaServerPage,JavaBeans,Enterprise JavaBeans, how do you think these technologies are work together or are applied in the development of an internet-based application(可以使用示意圖方式)

　　9.請描述在關(guān)系型數(shù)據(jù)庫應(yīng)用中，應(yīng)該基于哪些原則進(jìn)行SQL條件語句[where……]進(jìn)行性能調(diào)優(yōu)？

　　10.請描述你是如何不斷跟進(jìn)和了解最新的軟件技術(shù)[尤其是在軟件開發(fā)領(lǐng)域的技術(shù)]，近期你在鉆研哪些技術(shù)？

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