oops concepts interview questions

1, ANR abnormal interview questions explainedA) what is ANR?Application Unresponsive dialog boxb) The cause of the ANR?Time-consuming operation in the main threadc) What are those operations on Android in the main thread?All life cycle callbacks for activity are performed on the main threadService defaults are performed on the main thread of theThe Broadcastreceiver Onreceiver callback is performed on the m

During the interview, the interviewer will ask the applicant, and the applicant's answer will become an important basis for the interviewer to consider whether to accept him. It is vital for candidates to understand the "tricky" behind these issues. This article sorts out some typical questions that often occur during interviews, and provides corresponding answers and reference answers. Readers do not need

special place where constants are placed. -Program End Release 5 Code area of the program, storing 2 binary code. The variables defined in the function body are usually on the stack, and the allocated memory functions such as malloc, Calloc, realloc, etc. are allocated on the heap. The global amount is defined in the body of all functions, and after the static modifier is placed in the global zone (static zone), the static variable defined in the body of all functions is valid in the file and c

I haven't worked as a formal engineer for a long time since my internship. Recently, I feel a little idle and suddenly feel that I am quite normal under work conditions. I received a technical interview call from a company at this morning and talked for more than half an hour. I still answered the basic questions, but I still have to discuss some details. I will sort it out in idle time and add myself. I. F

(throughput) collector? The throughput collector uses a parallel version of the new generation garbage collector, which is used for medium-sized and large-scale data applications. The serial collector is sufficient for most small applications, which require about 100M of memory on modern processors. 41. In Java, when can objects be garbage collected? This object can be recycled when the object becomes inaccessible to applications that currently use the object. 42. Will garbage collection occur

first line of the code snippet in this case.Question 5: call () and apply () Fix the previous issue and print Aurelio De Rosa from the last console. log.Answer You can use the call () or apply () function to force the context of the function. If you do not know the difference between call () and apply (), I recommend that you read the article function. call and function. apply. Is there a difference between them? . In the following code, I will use call (), but in this case, apply () can also g

first line of the code snippet in this case.Question 5: call () and apply () Fix the previous issue and print Aurelio De Rosa from the last console. log.Answer You can use the call () or apply () function to force the context of the function. If you do not know the difference between call () and apply (), I recommend that you read the article function. call and function. apply. Is there a difference between them? . In the following code, I will use call (), but in this case, apply () can also g

When you're ready for a technical iOS interview, it's important to understand what topics you might be asking and what experienced iOS developers expect.This is a series of questions that many Silicon Valley companies use to measure the level of seniority of iOS candidates.These issues cover all aspects of iOS development and are designed to reach a broad understanding of the platform.After all, advanced de

Oracle interview questions-Technical This may be an article you have been looking forward to. while paying attention to this part of technical questions, please be sure to read personal questions and answers during the interview. The answer here is not comprehensive. These

JavaScript is not only a low threshold, but also an interesting, powerful and very important language. People from all walks of life find their most confusing choice is the Javasscript programming language. Because of the variety of backgrounds, not everyone has a broad understanding of JavaScript and its rationale. Usually carcass, unless you go to a job interview to think about why or what to do, otherwise JavaScript is just the content of your work

This may be what you have been expectingArticle, While paying attention to this part of technical questions, please be sure to read the questions and answers related to the individual during the interview. The answer here is not comprehensive. These questions can be explained from multiple perspectives. Maybe you don't

The php interview questions collected on the Internet are posted for you in the php Tutorial! I. Basic question 1. what is object-oriented? What are the main features? A face object is an elegant method to directly map objects and concepts in nature to the program world! Main features: abstract, php interview

Http://www.ittestpapers.com/categories/Technical-Interview-Questions/ (there are using interview question and answers in this website) I do a lot of interviewing here, and for a while we were hiring ASP. net people. here's some of the questions that I asked them. I came up with these

Why do you stand out from the talented IOS developers? How can I challenge the limits far from the job requirements? How can I succeed at Xinyi? So what are your tricks? In this market where iOS posts are in short supply, the requirements for iOS developers are growing. Let's share our recent experiences with recruiters and release 47 Interview Questions and answers for the reference of IOS developers. Bott

arguments? In the spirit of mutual progress. In addition to hurting people, such as debating contests, personal attacks undermine rules. I hope that my friends in the garden will discuss the issue with an open and sincere attitude. I want to delete comments that treat cursing people, and my brother has no time to scold you. This makes no sense. Another point to declare is that the article is just a question of Lao Zhao's interview question. I gave

ImportNew Note: This article is one of the Java interview series compiled by ImportNew. You can view all the Java interview series from here. The common Interview Questions introduced in this article are about the overloading method and overriding method. Q.What is the output result of the following code snippet?View C

Interview Questions for Java engineers [social recruitment], java engineers Http://blog.csdn.net/jackfrued/article/details/44921941 1. What are the features of object orientation?2. What are the differences between access modifiers public, private, and protected?3. Is String the most basic data type?4. Is float f = 3.4 correct?5. Is there any error in short s1 = 1; s1 = s1 + 1? Short s1 = 1; s1 + = 1; is th

javascript is not only a low threshold, but also an interesting, powerful and very important language. People from all walks of life find their most confusing choice is the Javasscript programming language. Because of the variety of backgrounds, not everyone has a broad understanding of JavaScript and its rationale. Usually carcass, unless you go to a job interview to think about why or what to do, otherwise JavaScript is just the content of your work

A while back, I posted a list of ASP. Interview Questions. Conventional wisdom was split, with an on half the folks saying I was nuts and that it is a list of trivia. The others said basically "Ya, those is good. The I ' d probably has a few up. To me, that's the right response.Certainly I wasn ' t trying to boil all of the. NET software development down to a few simple "trivia"

Software Test interview questions (partial collection) 01. Why should I perform software testing in a team? Because it is difficult for a software without tests to know the quality of the software before release, just like ISO quality certification, testing also requires quality assurance, in this case, you need to perform software testing in the team. Discover problems in the software during the testing pr