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Summary (1) Object class(two) class Date(3) Calendar Class(4) System class(5) StringBuilder class(6) Basic type packaging (1) Object class demo01: Summary The java.lang.Object class is the root class in the Java language, that is, the parent class of all classes. All method subclasses describ ...

When you write Java code, repetitive operations are often involved, so it's good to think of a plug-in like this. If it's a scenario everyone will encounter, the IDE may have already provided it, or someone else may have written it.If this is unique to your coding environment, you will have to write your own tools.So here's how to write IDEA pl ...

What is serialization and deserialization? Serialization: converting objects into streams, saving them to disk, or transferring them to the network. Deserialization: that is, to invert this stream back to the object. So what's the use of serialization? 1) Permanently save objects on disk 2) Serializat ...

Welcome to spring cloud. In this chapter, we will teach you how to create the parent-child project architecture of spring cloud. Knowledge is endless, and stories are good or bad. Articles are purely fictional. Welcome to Tucao. How can I walk in the Jianghu without any tricks. The technologies and tool ...

Article directory 1, Environmental preparation 1. Install JUnitGenerator 2. Add JUnit.jar package to the project 2, Write test code 1. Write test class in src directory 2. Write a test class in the test directory (if not, create a new test and set it to Test Resources Root) 3. Create a new Test ru ...

Change from: https://blog.csdn.net/wangyuanjun008/article/details/79233491 Method: crack patch activation method (1) Download the crack patch Click me to download (password jilt) Put the downloaded crack patch under the bin directory under your installation IDEA (as shown in the figure). The example of this article is e: \ ...

Note: developed editor: Intellij Idea, JDK version is JDK8     Archunit What is it? The English introduction of the official website is very good. It is recommended to read the original text, "ArchUnit is a free, simple and extensible library for checking the architecture of your Java code using any plain Java unit test framework. That is ...

I. Preface The author found a circle on the Internet and tried all kinds of methods. The previous way of finding a registration code on the Internet and activating it successfully has gone forever~ This article records the personal IntelliJ IDEA 2019.3 activation and cracking tutorial~ To be honest, IDEA update is really fast. I thought that I ...

The crack patch of Intellij IDEA is permanently activated   Download and install IDEA Official website: https://www.jetbrains.com/idea/ Download the crack patch Access address: http://idea.lanyus.com/ , to download the crack patch, as shown in the following figure (of course, the version of the crack patch will change) ...

scala pattern matching (string, array, tuple, set, class, partial function)   Scala provides a powerful pattern matching mechanism and is widely used. A pattern match contains a series of alternatives, each starting with the keyword case. Each alternative contains a pattern and one or more expressions. The arrow = > separ ...