java programming interview questions

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Java Network Programming Surface questions

: Use node stream as input or output. The filter stream is created using an existing input stream or an output stream connection.6. Java SOCKET Programming, read the server several characters, and then write to the local display. After the client sends a connection request to the server, it passively waits for the server to respond.A typical TCP client is going through the following three steps:1. Create a

Java language Programming Midterm exam questions

letter I in the string; intn =0; for(intA =0; A if(' I '= = Str[a]) {n++; }} System. out. println ("(2) The number of occurrences of the letter I in the string:"+ N); System. out. println ("\ n");//(3) Remove substring "my";System. out. println ("(3) Remove substring" my "); System. out. println (S1.substring (S1.indexof ("My"), S1.indexof ("My") +"My". Length ())); System. out. println ("\ n");//(4) converts this string into an array of strings, requiring each array eleme

20165237 2017-2018-2 "Java Program Design" Tenth week exam complement and programming questions

; } public String GetClassID () {return classID; } public void Setclassid (String classID) {this.classid=classid; }}Complement:Studentpxgit log:Programming problem Code Hosting(Results of program operation)(1) Use the stack structure to output several items of an, where an=2an-1+2an-2,a1=3,a2=8(2) write a program to store student English scores in a list in a tree set so that they are automatically sorted by program and output sorted results(3) There are 10 USB drives, there are two import

Java BASIC Programming questions

Java BASIC Programming Questions1. Print out the case1 Public classprog19{2 Public Static voidMain (string[] args) {3 intn = 5;4 Printstar (n);5 }6 7 //Print stars8 Private Static voidPrintstar (intN) {9 //print top HalfTen for(inti=0;i){ One for(intj=0;j){ A if(ji) -System.out.print (""); - if(J>=n-i ji) theSys

Java programming capability enhancement (3) -- select questions

In order to select a set of questions for students to participate in the national software competition, the time is 150 minutes. If you have learned Java, you can try to see if it can be made. 1, Programming output calendar. Known2011Year3Month18The day is Friday (2011Year), output calendar. For example, enter3Output: DayIII3. ThuV.Sat. 12345 678910 11 12 13 14

(Various companies interview original questions) online has done a set of CC ++ integrated test questions, also to test your level (2), cc integrated test questions

(Various companies interview original questions) online has done a set of CC ++ integrated test questions, also to test your level (2), cc integrated test questions I have read the last 10 questions and sent them to me. The following is a question, and I have some understan

Java BASIC Programming questions

Package com.test;Import Java.io.BufferedWriter;Import Java.io.FileOutputStream;Import Java.io.FileWriter;Import Java.io.OutputStream;Import Java.util.Scanner;public class Demo {public static void Main (string[] args) {/* There are five students, each student has 3 courses of results, from the keyboard input above data (including student number, name, three lessons), calculated* Average results, the original data and the calculated average score are stored in the disk File "stud". */Scanner in=ne

Interview preparation series 03 ---- Summary of Binary Tree questions in the interview, 03 ---- Binary Tree

. number of nodes in the k-layer of a binary tree 12. Number of leaf nodes in a binary tree 13. reconstruct a binary tree by means of forward and middle Traversal 14. reconstruct a binary tree by means of central and post-order traversal 15. Maximum Distance between two nodes in a binary tree 16. path of a binary tree and a specific value 17. Calculate the minimum common ancestor node of the two nodes in the binary tree. Package com. sheepmu; import jav

Android developer interview via--1. Common HR Interview questions

further explain why, the admission company should be accommodating.18. Have you ever thought of starting a business?Answer tip: This question can show you the momentum, but if your answer is "yes", be careful, the next question may be: So why don't you do it?19, how to look at education and ability?Answer tip: Education I think as long as the college diploma, it shows that I have a fundamental learning ability. The rest, whether you are a bachelor or a doctor, for this discussion is not about h

7 JavaScript interview questions for true and false javascript questions

7 JavaScript interview questions for true and false javascript questions The following seven JavaScript interview questions should be asked before the interview. Otherwise, your time may be wasted.1. What are the two methods for c

Classic 20 Ajax interview questions, no longer afraid of interview after reading

This article mainly tells about the Ajax 20 interview questions, will have these questions, the interview is not afraid of, according to the above answer, certainly can find a good job. Now let's see this article together. 1, what is Ajax, why use Ajax (please talk about your understanding of Ajax)What is Ajax:Ajax is

The most difficult company to interview and common interview questions

Inspection by half of technology companiesProgramMember'sAlgorithm, Data structures, operating systems, programming capabilities, big companies also have IQ questions. The following are the top 10 most challenging tech companies in the United States: 1. thoughtworks; Second: Google (there will be multiple rounds of interviews involving IQ tests and instant mathematical

Summary of the interview questions and answers attention points

Below is a list of 125 basic C # interview questions. These interview questions are simple and straightforward, covering the most basic concepts of C #, mostly related to object-oriented concepts. So if you're preparing a C # interview, I suggest you have to master these 125

25 JavaScript interview questions that you need to know, javascript questions

25 JavaScript interview questions that you need to know, javascript questions 1. Use typeof bar === "object" to determine if bar is an object with potential drawbacks? How can we avoid such disadvantages? The disadvantage of using typeof is obvious (this disadvantage is the same as using instanceof ): let obj = {};let arr = [];console.log(typeof obj === 'object')

Android interview questions, android interview

Android interview questions, android interview1. How to Improve the sliding efficiency of ListView2. Let's talk about the architecture of the project package (networking, parsing, activity, database ).3. how to load a large number of images (including small images and big charts), how to reduce the number of connections to the server at a time, and how to cache images,4. Relationship between onInterceptTouc

Non-technical questions during the interview

Java interview skills: the first impression is very important, and the interview dress question Java interview skills: carefully prepare your reasons for leaving the company Java

IOS interview questions

want to implement multiple inheritance, you can use protocol instead.Extended Interview Questions: because it involves multiple inheritance, if your resume contains other programming languages, you may be asked (Many interviewers will mention C ++ and Java in their resumes, at this time, the

C + + Interview Highlights (questions asked for interview)

virtual.Attention:If you do not need a base class to manipulate derived classes and objects, you cannot define virtual functions, including virtual destructors, because this increases memory overhead.How C + + makes the function of the returned object not call the copy constructor"Explicit" keyword before copy constructor35. Orphan process and zombie processHttp://www.cnblogs.com/Anker/p/3271773.htmlWritten and interview

Interview preparation series 03 ---- Summary of Binary Tree questions in the interview

Interview preparation series 03 ---- Summary of Binary Tree questions in the interview Interview preparation series 03 ---- Summary of Binary Tree questions in the interview This article is the first article in the

Android Interview Questions and answers (2), android Questions and answers

Android Interview Questions and answers (2), android Questions and answers1. Activity-related. Launchmode, OnSaveInstnceState, and lifecycle. Four default launchmodes and OnNewIntent callbacks. OnNewIntent-> OnRestart-> OnStart-> onResume OnActivity-> OnResume. OnNewIntent, OnActivityResult? OnNewIntent launchmode with singletask or singleInstance. But if set the

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