java interview questions for testers

reflection? This is the need to setaccessible () method to suppress Java access to the check, at that time felt that the front of the problem was asked the confused, the brain is blank. The rest is not very clear, the overall interview or asked a lot of questions, most of me can be very good answer up, this is to let me feel the most depressed an

Interview Questions:. Net remoting 1. What's a Windows Process? It's an application that's running and had been allocated memory. 2. What's typical about a Windows Process in regards to memory allocation? Each process is allocated its own block of available Ram space, no process can access another process 'Code or data. if the process crashes, it dies alone without taking the entire OS or a bunch of

Spring, hibernate, Struts interview questions from: http://shwenwen.itpub.net/post/34911/486887 How does hibernate work and why?Principle:1. Read and parse the configuration file2. Read and parse the ing information and create sessionfactory3. Open sesssion4. Create transaction Transation5. Persistent operations6. Submit the transaction7. Disable session8. Disable sesstionfactory Why:1. For JDBC access

Java provides and supports creating abstract classes and interfaces. Their implementations share the following things: All methods in the interface are implicitly abstract. Abstract classes can contain both abstract and non-abstract methods. Class can implement many interfaces, but can inherit only one abstract class Class to implement an interface, it must implement all methods declared by the interface. However, classes do not implement all

Echo is a language structure and has no return value. The print function is basically the same as echo. The difference is that print is a function and has a return value. print_r is a recursive print, which is used to output the PHP interview questions and answer 1 of the array object. 1. use PHP to print the previous day in the format of 22:21:21 // Echo date ('Y-m-d H: I: S', time ()-60*60*24Echo date ("

First Interview Questions (Java direction, China Rural Credit Cooperative) 1. What are the basic types of Java? Byte, short, Int, long, float, double, Char, and Boolean. 2. Write a common design pattern? Http://blog.csdn.net/xuqianghit/archive/2010/07/24/5761816.aspx 3. Explain the polymorphism in

security.Even so far, some people don't even know the basic semantics of SQL syntax.String sql = "SELECT * from Tb_name where name= '" +varname+ "' and passwd= '" +varpasswd+ "'";If we pass [' or ' 1 ' = ' 1] in as varpasswd. User name feel free to see what will become?SELECT * from tb_name = ' random ' and passwd = ' or ' 1 ' = ' 1 ';Because ' 1 ' = ' 1 ' is sure to be true, so you can pass any validation. What's more:Put [';d rop table tb_name;] Incoming in as VARPASSWD:SELECT * from tb_name

I recently saw a blog post posted by Lao Zhao, "questions I asked during the interview with. Net/C # programmers". I tried to answer this question and I forgot to add it: What is. Net? What is CLI? What is CLR? What is Il? What is JIT and how does it work? What is GC? How does GC work? What is. net Dot Net is a complete set of platforms proposed by Microsoft in 2000, including the underlying operating sy

. Net interview questions and answer 1) What is the difference between a thread and a process? Both threads and processes define some boundary. The difference is that processes define applications. Program Boundaries with applications, different processes cannot be shared Code And data space, while the thread defines the boundary between the code execution stack and the execution context. A process can co

nested, must have root element, all XHTML elements must be nested within the root element5, to the Web standardization (or site reconstruction) know what the relevant knowledge, briefly describe a few of the Web standards you know?　　Web standardization is divided into structural standardization, performance standardization, behavior standardization. The structure standard language has XHTML and XML, the performance standard language CSS, the behavior standard language w3c,ecmscriptWeb standardi

/details/47017485Extended here: Brief introduction to Binder, http://blog.csdn.net/luoshengyang/article/details/6618363/　　6. What is the difference between HTTP communication and HTTPS communication, and the specific process of HTTPS communication?http://blog.csdn.net/whatday/article/details/38147103　　7. How to implement the source code for such a collection of list,arraylist.　　　　55259978Android Related:　　1. About Android memory optimization, layout optimization.http://blog.csdn.net/guolin_blog/

.x:sorted (iterable,/, *, Key=none, reverse=false), python2.x and sorted are somewhat different, with fewer CMP parameters.Key accepts a function that accepts only one element, the default is NoneReverse is a Boolean value. If set to True, list elements are sorted in reverse order and default to FalseFocus on how key works:key specifies a function that receives a parameter that is used to extract a keyword from each element for comparison. The default value is None.(2). The. Sorted () function s