Programming VIP

Be careful! If you choose a non-default engine, you need to set up a template engine in AutoGenerator. AutoGenerator generator = new AutoGenerator(); // set freemarker engine generator.setTemplateEngine(new FreemarkerTemplateEngine()); // set beetl engine generator.setTemplateEngine(new BeetlTemplateEngine()); // set custom engine ...

After the interactive interface design is completed, it will be followed by the writing of control functions and other functions, The first thing to do is to write the functions of each control of the calculator. These functions can be generated automatically by double clicking the control directly in Visual Studio. This is very convenient and ...

In order to enable developers to write SQL flexibly, Mybatis also spent a lot of effort, defining a lot of tags and syntax, which will be introduced one by one below. if Although the English is not very good, I don't know if it means in such a simple way. It also exists in Java syntax. Only when the judgment condition is true will the SQL s ...

Binary tree refers to an ordered tree in which the degree of nodes in the tree is no more than 2. It is the simplest and most important tree. The recursive definition of binary tree is: a binary tree is an empty tree, or a non empty tree composed of a root node and two disjoint left and right subtrees called roots respectively; the left and r ...

Dictionary traversal and exchange the key and value of the dictionary When you encounter such a problem, a piece of data is stored in a dictionary like this. Now you need to get the corresponding key according to the value of the dictionary. **The name and unit price of fruit are the keys and values of the dictionary respectively. Now please ...

LinkedList source code analysis 1. Introduction Through the inheritance system, we can see that LinkedList not only implements the List interface, but also implements the Queue and Deque interfaces, so it can be used as a List, a double ended Queue, and of course, a stack.It can be seen from the inheritance system that LinkedList implem ...

Factory mode Factory Pattern is one of the most commonly used design patterns in Java. This type of design pattern is a creation pattern, which provides the best way to create objects. In factory mode, when creating objects, we do not expose the creation logic to the client, and point to the newly created objects by using a common interface. i ...

Use of reflection 1: reflection of Constructor Again, we can construct a new Student through a public null parameter, but we cannot construct a new private full parameter. Student student = new Student(); Now let's construct the reflection constructor (create an instance in the form of reflection) public static void main(String[] args ...

4. Enable threads to modify time 5. Thread synchronization to achieve stopwatch function 6. Run and debug Hello, everyone, I'm the grey ape! Today I share with you an electronic watch project developed using Java multithreading, which can realize the real-time display and modification of time in the electronic watch and the function of st ...

prefaceHello, I'm Lin Sanxin. As we all know, modifiers are also one of the important components of Vue. Making good use of modifiers can greatly improve the efficiency of development. Next, let's introduce the 13 Vue modifiers that interviewers like to ask1.lazyThe lazy modifier is used to change the value of the input box without changing the ...