java interview questions for 2 years experience

It blue Leopard Highly recommended: In line with 1-2 years of work experience, development difficulties and related optimization:it Blue Panther------------------> SQLite database Version upgrade1.sqlite Upgrade steps:1. Write yourself a class inheriting from Sqliteopenhelper2. The two methods that will implement Sqliteopenhelper OnCreate and Onupgrade,google doc

Beijing 2 years PHP experience seeking part-time job in Beijing 2 years PHP experience seeking part-time job ------ solution ------------------ er .. We need part-time jobs, but how can we contact you? ------ Solution ------------

consumption, etc. (Uppercase M and uppercase P)2. Get and Post methods for HTTP.3, introduce the epoll you know.4, the database SQL understanding degree.5, problems encountered in the project, how to solve their own and so on.6, handwriting a full array.7, B-Tree and B-tree.8, introduce the hash, how to resolve the conflict.9, the communication between processes, the advantages and disadvantages of shared memory mode.Three, Baidu three side: # # #1,

Java Multithreading and Concurrency basics interview questions and AnswersOriginal link: http://ifeve.com/java-multi-threading-concurrency-interview-questions-with-answers/Multithreading and concurrency issues are among the

Today drank a little wine, talk about the construction station 2 years of experience, really do not like typing, try to be concise, hoping to help new friends. When to contact the network is also not remember clearly. In short, 6.7 years ago, anyway, I know that all day bubble Internet cafes red alert, CS, legends, Leg

of reflection, how to optimize?Definition of reflection mechanism:is in the running state, for any one class, can know all the properties and methods of this class, any object can be invoked through the reflection mechanism of a class of any method, the dynamic acquisition of class information and the function of dynamic call class object method is called Java reflection mechanism.The effect of reflection:1. Dynamically create an instance of the clas

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Beijing 2 years PHP experience for part-time

Job-hopping is not frequent, but has participated in a lot of interviews (telephone interview, face to faces interview), large/small companies, Internet/traditional software company, batter (above his business, lack of actual combat experience, hang off), also face, fortunately not because of failure and discouraged, in the process of constantly check gaps, devel

have what kind of technical knowledge system, this is not only a junior programmer who has just entered the workplace, but also after 35 years of work began to confuse the old programmer, Must face and want to understand the problem. In order to help people less detours, I summed up a Java programmer's work 2-5-year roadmap for growth.For the above figure in the

Summary and Induction of JAVA interview questions of Niuke Network (1), Niuke javaPreface Today, I saw an article on explaining the Spring framework in the Nuggets. The article mentioned Niu Ke's interview questions. As a result, I downloaded the Niuke web app and found that

, combined with the database can be set unique features, so that the latest news can be judged and download the latest news.4, the widget involved in the Pendingintend method, broadcast use and other related methods.5, the use of thread and so on.Music playerProject Introduction: Through the program code writing to achieve music playback, and as far as possible to beautify the interface.Responsibilities and performance: 1. Full use of Android four components (Activity,service,content provider,br

. After creating an array or an object in the heap, you can also define a special variable in the stack that is equal to the first address of the array or object in the heap memory, and this variable in the stack becomes the reference variable of the array or object. The reference variable in the stack can then be used in the program to access an array or an object in the heap, which is equivalent to a name that is an array or an object.2 0. Can i cas

create threads, how to create threads better (such as inheriting the thread class or calling the Runnable interface), and then gradually ask about concurrency problems like the Java memory model encountered in the process of Java concurrent programming, JDK1.5 introduces higher-order concurrency tools, common design patterns for concurrent programming, classic multithreading issues such as producer consume

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