how to prepare for java interview

I am a Java developer, hibernate, and MyBatis have studied, have been asked in the Java interview, also used in project practice, Now to hibernate and MyBatis to do a contrast, so that everyone better understanding and learning, so that they do in the project more handy. The first aspect: comparison of development speed in terms of development speed, Hibernate's

Elliotte Rusty Harold This article is translated from the o'reilly American Head Office website, Do not think that Java can only be used to design dynamic images on Web pages. In fact, Java is a fully functional programming language and the first choice of many programmers today. Because the Java language has a clear architecture, provides dynamic memory manageme

that this stage will bring me higher expectations, of course, the interview when normal people will not remember the spelling of each parameter, I wrote this paragraph when I also turned over the manual. The answer to this section is less than 2%.PS: Add up to less than 100%, is because there are really few directly say do not know, or directly refused to answer = =#Analyze the second question: "What is the Thing":1. Objects that are not used.Analysi

. 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 cast int to a variable of type byte?What happens

Java and C common technical interview questions 2015 (Continuous updates ...), 2015 updating 1. Differences between overwrite and overload Overload is an Overload. It uses the same name as an existing member to declare attributes or methods, but the parameter list is different from that of the original member. Override is mainly used for method rewriting between the parent class and the subclass, that is,

, and a static variable can be referenced directly using the class name.For example, for the following program, no matter how many instance objects are created, only one Staticvar variable is always assigned, and each instance object is created, the Staticvar adds 1; However, each instance object is created, a Instancevar is assigned. That is, multiple instancevar may be assigned, and each Instancevar value is only added 1 times.public class varianttest{publicstatic int staticvar = 0;Publicint I

Java Collection related interview questions and answers Interview questions1.JavaWhat is a collection frame? What are some of the advantages of a collection framework? There are collections in each programming language, and the original Java version contains several collection classes: Vector, Stack, Hashtable, and ar

in string or Stringbuffer/stringbuilder. One common interview topic is recursive implementation of string inversion, as shown in the following code: public static String reverse(String originStr) { if(originStr == null || originStr.length() 1) return originStr; return reverse(originStr.substring(1)) + originStr.charAt(0); }How do I convert a GB2312 encoded string to a iso-8859-1 encoded string? A: The code looks like this:String s1 = "你好";S

wait ()?Engage in threading favorites.1,sleep () is a static method in Java.lang.Thread, and wait () is a method in Java.lang.Object;2,sleep () is used as the current thread to block itself, and resumes after the set time, and wait () is used for the current thread to determine other threads blocking, which is the performance of thread communication;3,sleep () does not release resources, wait () releases resources;4,sleep () must catch an exception, and wait () is not required.12th, does

I used to have only one Java interview question topic. Now I have divided into the following topics: Java interview questions are of course the focus, all of which are Java programming and directly related to the design. Intelligence i