Interview Questions

Top iOS Interview Questions Set 2 Q1. What is Assign, Copy, Retain in Objective C? assign assign is a default property attribute assign is a property attribute tells the compiler how to synthesize the property’s setter implementation copy: copy is required when the object is mutable copy returns an object which you must explicitly release (e.g., in dealloc) in non-garbage collected environments you need to release the object when finished with it because you are retaining the copy retain: specifies the new value should be sent “-retain” on assignment and the old value sent “-release” if you write retain it ...
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iOS Interview Questions Apple users are growing very rapidly around the world so the demand for iOS developers are increasing rapidly. so if you want to break into iOS development then you need to clear iOS interview. We have collected top interview questions from different sites, so that readers can read all here - Q1. How can we setup Live Rendering ?  in Xcode it is possible to change code at runtime and see the changes rendered live in the storyboard using IBDesignable. It is also possible to change user attributes live into the Interface Builder using IBInspectable.  So we need ...
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Top PHP Interview Questions and Answers :- Here we are reading about "Top PHP Interview Questions and Answers". PHP is a recursive acronym for PHP Hypertext Preprocessor. It is a widely used open-source programming language especially suited for creating dynamic websites and mobile API's. These Top PHP Interview Questions and Answers are very useful for freshers as well as experienced also. Facts you Know about PHP Originally Known: Personal Home Page Designed by: Rasmus Lerdorf Written In: C and C++ The first official launched: June 1998 Current Stable Version: 7.2.9 Q1. What is PHP? PHP is a server side scripting ...
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Top Node.js Interview Questions and Answers :- Here is the list of latest and updated Top Node.js Interview questions and answers for freshers as well as experienced users. so please take a look below :- Q1. What is Node.js? Where can you use it? Ans: Node.js is a server side scripting based on Google’s V8 JavaScript engine. It is used to build scalable programs especially web applications that are computationally simple but are frequently accessed. You can use Node.js in developing I/O intensive web applications like video streaming sites. You can also use it for developing: Real-time web applications, Network ...
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Top JQuery Interview Questions and Answers :- Here is the list of latest and updated Top JQuery Interview questions and answers for freshers as well as experienced users. so please take a look below :- Q1. What is jQuery? Ans: jQuery is fast, lightweight and feature-rich client side JavaScript Library/Framework which helps in to traverse HTML DOM, make animations, add Ajax interaction, manipulate the page content, change the style and provide cool UI effect. It is one of the most popular client side library and as per a survey it runs on every second website. Q2. What are the core ...
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SQL DROP DATABASE Statement :- SQL DROP DATABASE statement is used to drop an existing SQL database. Syntax DROP DATABASE databasename; DROP DATABASE Example The following SQL statement drops the existing database "testDB": Example DROP DATABASE testDB; Once a database is dropped, you can check it in the list of databases with the following SQL command: select * from sys.databases You can't see testDB in the list of databases because it has been dropped or removed ...
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JSP Servlet Interview Questions and Answers Servlets are very important topic of Java EE and all of the web applications framework such as Spring and Struts are built on top of it. This makes servlet interview questions a hot topic in interviews. Here a list of 50 servlet interview questions and answers to help you tackle most of the interview questions related to servlets and web applications in java. 1. In web.xml file   <load-on-startup>1</load-on-startup> is defined between <servlet></servlet> tag what does it means. whenever we request for any servlet the servlet container will initialize the servlet and load it which is defined in our ...
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 OOPS Interview Questions and Answers Welcome to OOPS interview questions and answers. There are many Object Oriented Programming languages such as Java, C++ and Python. Having a clear idea about OOPS concepts is very important if you are going to face any interview on these programming languages. That’s why I thought to share the top OOPS interview questions with you and provide detailed answers for them. 1. What is Object Oriented Programming ? It is a problem solving technique to develop software systems. It is a technique to think real world in terms of objects. Object maps the software model to real ...
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Java Multithreading Interview Questions & Answers Today we will go through Java Multithreading Interview Questions & Answers. We will also look into Concurrency interview questions & answers because both multithreading and concurrency go hand in hand. Thread is one of the popular topic in java interview questions. Here I am listing down most of the important java multithreading interview questions & Answers from interview perspective, but you should have good knowledge on java threads to deal with follow up questions. 1. What is the difference between Process and Thread? A process is a self contained execution environment and it can be seen as a program ...
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Java Collections Interview Questions and Answers Here is some Java Collections Interview Questions and Answers to prepare your interview. Java Collections Framework is the fundamental aspect of java programming language. It’s one of the important topic for java interview questions. Here I am listing some important java collections interview questions and answers for helping you in interview. Here is the list of mostly asked java collections interview questions with answers. 1. What is difference between ArrayList and vector? 1) Synchronization - ArrayList is not thread-safe whereas Vector is thread-safe. In Vector class each method like add(), get(int i) is surrounded with a synchronized ...
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