java concepts interview questions

Concise answers to several java interview questions, concise java interview questions The difference between equal and = in java: The equal method is used to compare object references u

Some days ago, I wrote an article in the blog Park, how to introduce my project experience in the interview, Harvest more than 2000 clicks, which undoubtedly inspired me to continue to share the enthusiasm, today I come to share another interview can even help everyone to reverse the skills, this article is from the Java Web Lightweight Development

IOS interview questions: basic concepts of OC 1. What are classes and objects? Class is the abstraction of a group of things with the same features and functions Describes the features and behavior of an object. Class is the abstract object of an object is an instance of a class. 2. Define classes in OC, create objects, and use objects. Classes defined in OC

can join, can not delete the original method, but cannot add the instance variableExtension: Extension can add instance variables and methods at the same time, and the method must be implemented, can be regarded as a private classProtocol: A protocol is a list of methods that are shared by multiple classes, and the methods listed in the protocol do not have a corresponding implementationInheritance: Not only can add instance variables and methods, but also can rewrite the method of the original

. JavaScript Common objects6, commonly used in JavaScript value assignment method, for radio button, check box, such as the value assignment method. (Baidu can, JavaScript common basis)7, jquery value Assignment Basic method.8. Get the value of the radio button, get the value of the check box, get the value of the drop-down list, go to the value of the check box, get the value of the radio button Group, text box, text field assignment.9, the Append of jquery and appendto difference.10, the CSS B

English Original: Java Exception and Error interview Questions Answers In the Java Core Knowledge interview, you always encounter questions about handling exception and error. Exception processing is a very important aspect of

Development and running environments is the first step to become a Java programmer. By examining the basic aspects of Java programming, we can fully reflect the degree of understanding and proficiency of the interviewer in Java. In this chapter, I will explain the test points of the basic part of Java programming from

One of the interview summaries: Java handles linked list questions during the interview and java handles themThe linked list is often used in interviews. This article has referenced some other articles and added my own summary. Basically, every algorithm has been tested and

Linked list is often in the interview, this article refers to some other articles, together with the small series of their own summary, the basic algorithm has been tested and optimized.Algorithm Daquan (1) There are also some list problems in the single linked list, which will be sorted out in the future.* REFS:* http://blog.csdn.net/fightforyourdream/article/details/16353519* http://blog.csdn.net/luckyxiaoqiang/article/details/7393134 easy to handle

Logical Thinking interview questions-java backend interview-,-java backend(-1) Preface I recently participated in an interview and was very interested in the pen questions. I will retur

Java interview questions, java questions1. simple principles and applications of the Exception Handling Mechanism in C ++ or Java.When a JAVA program violates the JAVA Semantic Rules, the JAVA