latest java interview questions

;Var y = new cls2;Alert (X. );Alert (Y. ); Question 3Function cls1 (){This. A = 1;}Function cls2 (){}VaR x = new cls2;Cls2.prototype. A = 1;Var y = new cls2;Alert (X. );Alert (Y. ); Question 4Function cls1 (){This. A = 1;}Function cls2 (){}VaR x = new cls2;Cls2.prototype. A = 1;Var y = new cls2;Alert (X. );Alert (Y. ); Question 5String. Prototype. Self = function (){Return this;}VaR S = "S ";Alert ("S". Self () = "S ")Alert (S. Self () = s)Alert ("S" = "S ")Alert ("S". Self () = "S". Self ())Ale

Cisco network engineer interview questions 23 Cisco Network interview questions for Cisco senior after-sales network engineers 1. In the current 6509 and 7609, The sup720 switched bandwidth to 720 GB. Can it be said that 7609/6509 can replace part of the GSR status? A: Some functions are acceptable. Previously, GSR was

using parallelism in Core Data is that each NSManagedObjectContext must be accessed only from the process in which it was created . What is the difference between POST and GET for HTTP?The request for a get type is idempotent according to the HTTP protocol, while the POST request has side effects, that is, get is used to get some resources, and post is used to change some resources, which may create new resources or update existing resources.A POST request is more secure than a GET reques

Hibernate Interview Questions and answersEssence-a large collection of Hibernate Interview Questions and answers1. What is the matching relationship between the relational data model and the Object Model (multiple choice) in general)A) table corresponds to Class B) record corresponding object C) Table field corresponds

This article is reproduced. I hope my friend has a good interview question to study ......1. Check whether the process of Android dvm is the same concept as that of Linux.DVM refers to the Virtual Machine of dalivk. Every Android application runs in its own process and has an independent Dalvik Virtual Machine instance. Every DVM is a process in Linux, so it can be considered the same concept. 2. What is the role of the SIM card EF file?Sim card file

This article is reproduced. I hope my friend has a good interview question to study ...... 1. Check whether the process of Android DVM is the same concept as that of Linux. DVM refers to the Virtual Machine of dalivk. Every android application runs in its own process and has an independent Dalvik Virtual Machine instance. Every DVM is a process in Linux, so it can be considered the same concept. 2. What is the role of the SIM card EF file?SIM card fi

I will summarize some common android interview basic questions to see how many questions can you make? 1. What are several intent startup methods? Do you understand each meaning? Here, Android123 reminds you that some Intent tags include FLAG_ACTIVITY_BROUGHT_TO_FRONT, FLAG_ACTIVITY_CLEAR_TOP, struct, struct, FLAG_ACTIVITY_MULTIPLE_TASK, and FLAG_ACTIVITY_NE

Spring Boot interview Questions 1) What is Spring Boot?Spring Boot is a spring module which provides RAD (Rapid application development) feature to Spring framework.It's used to create stand alone spring based application so you can just run because it needs very little spring Config Uration.For more information click here.2) What is the advantages of Spring Boot? Create stand-alone Spring ap

I will start looking for a job next year, so I am preparing for some basic data structure knowledge and interview questions. Therefore, I will sort out some questions from time to time here. I found that prime number judgment is a very commonAlgorithm, Basically, many of the questions I have seen involve the determinat

The list is a kind of problem which often appears in the interview, this article uses the Java to realize the common Link list related topic in the interview. This article mainly refers to the integration rewrite the "easy to handle the interview in the list of the topic" and "Algorithm encyclopedia (1) Single list" tw

The following questions are my interview questions collected from the internet. I wrote my own answers and asked you to correct any mistakes. 1. What are the differences between property and attribute in C #? What are their respective uses? What are the advantages of this mechanism?Property usageGet/set method. It is mainly used for data interaction between class

: This article mainly introduces interview questions: I will talk about how to optimize MYSQL database queries. if you are interested in PHP tutorials, please refer to it. 1. Optimize Data types There are multiple data types in MySQL. if you are a DBA, you are strictly checking the data type according to the optimization principle. However, developers may choose the simplest solution they think, to speed u

Interview questions: Talk about how to optimize MySQL database query, MySQL database 1. Optimize data type There are several types of data in MySQL, and if you are a DBA, you are rigorously checking the data types according to the principles of optimization, but developers may choose what they think is the simplest scenario to speed up the encoding or choose the most obvious choice, so you may not face the

2018.03.09 Shenzhen le Wei TechnologyI looked at the feeling that the company looks pretty good, interview my husband is also very good, the atmosphere should be very good, but I lack of strength, alas, successive efforts, the following interview in the deep impression of the three questions to write about.Interview Question 1: The database deletes duplicate data

25 JavaScript interview questions you need to know 1. Usetypeof bar === "object"JudgmentbarIs an object having potential drawbacks? How can we avoid such disadvantages? UsetypeofThe disadvantage is obvious.instanceof): let obj = {};let arr = [];console.log(typeof obj === 'object'); //trueconsole.log(typeof arr === 'object'); //trueconsole.log(typeof null === 'object'); //true According to the output,type

Php interview questions and answers $ Img = file_get_contents ('http: // www.baidu.com/img/baidu_logo.gif '); File_put_contents('1.gif ', $ img ); Echo ''; ?> 3, Function is_gfriend ($ na, $ nb) { $ Random1 = rand (1/5); // calculate their fate $ Random2 = rand (1, 5 ); If ($ random1 ==$ random2) Retu

Embedded linux engineers interview questions C language basics-general Linux technology-Linux programming and kernel information, the following is a detailed description. I saw an embedded interview on the Internet and suddenly felt very small ...... In the future, I will post my answers one after another. Of course, some of my answers may not be accurate, and th

My android interview path (5: Do you have any questions ?), Android pathWhat else do you want to ask? Okay, the typographical problem is that I do not like to use punctuation marks (,.) I like it. I see a funny question, but almost every interviewer has met and knows what it means. Under normal circumstances, if the technical side encounters this sentence, it should be a joke. At this time, the interviewer

the Java 5 annotation.Spring's MVC Framework64. What is the Spring MVC framework?Spring provides a full-featured MVC framework for building Web applications. The spring framework can be easily fused with other MVC frameworks (such as struts), which uses the inversion of control (IOC) to separate the controller logic from the business object. It also allows the request parameters to be bound declaratively on the business object.65.DispatcherServletThe

Ordinary PHP Programmer pen TestTags: programmer PHP interview 2009-02-06 15:191. Use PHP to print out the day before, the print format is May 10, 2007 22:21:212. PHP code is as follows:$a = "Hello";$b =amp; $a;Unset ($b);$b = "World";echo $a;What is the result?3. PHP code is as follows:$STR = "CD";$ $str = "Landog";$ $str. = "OK";Echo $CD;What is the result?4. Write a code with PHP, implementation does not use the 3rd variable, Exchange $a, $b value,