2018 Blue Bridge Cup clear code problem Java detailed explanation (one of the solutions, the complete code is at the end of the article)

Title: This question is a blank filling question. You only need to calculate the result and use the output statement in the code to output the filled result. The glyphs of Chinese characters exist in the font library. Even today, the 16 # dot matrix font library is still widely used. 16. The font of dot matrix regards each Chinese character ...

Added by neroag on Mon, 07 Mar 2022 16:48:18 +0200

IDEA Version Implements Role Maintenance

Since the videos in Silicon Valley are made by Eclipse software, some of which are different from IDEA, I'm here to share with you the differences between IDEA and Eclipse's operation, the source code involved in the operation (slightly different from the source code of the video), and the various problems you may encounter. These sources are t ...

Added by MmmVomit on Thu, 03 Mar 2022 20:16:45 +0200

Java --- object and polymorphism

JAVA objects and polymorphism (object-oriented) Object oriented Foundation A class is equivalent to a template, and an object is an entity created according to the template. A class is an abstract data type, not a real concrete existence. Class properties: member variables and member methods. You can call member methods to make the class perf ...

Added by parse-error on Wed, 23 Feb 2022 18:25:33 +0200

Big data Java foundation DAY19 - collection (generic, enhanced for traversal, static import, collection nesting)

catalogue Overview and use of generics Why are there generics? Generic statement definition format Benefits of generics Generic application Generic class generic method generic interface ​Generic advanced (wildcard) Overview and use of enhanced for Enhanced for Overview Enhanced for recycling Overview and use of static impo ...

Added by mitjakac on Wed, 16 Feb 2022 15:38:57 +0200

Quickly install and configure Maven and integrate into idea

Abstract: Maven notes - June 11, 2021 1. Download and install 1.1 check the version of JDK JDK version requires version 1.7 or above (detailed description on the official website) 1.2 official website download Download address of official website (recommended version 3.6.1): https://archive.apache.org/dist/maven/maven-3/3.6.1/binaries/ ...

Added by rocklv on Sun, 30 Jan 2022 21:50:50 +0200

SpringSecurity + custom login interface + JwtToken + interceptor + front and back end separation

1: Project background: after fishing, I'm going to write a project to consolidate myself. There are some cd problems in the process of code project. You may have encountered them. Share my summary again. I want to use spring cloud + vue to write a front and back-end separated project. Because I haven't learned vue yet, hahaha, hahaha, so I make ...

Added by bashaash on Mon, 24 Jan 2022 22:30:42 +0200

Employee management system based on SSM framework

1, Basic introduction 1. Key technology development tool IntelliJ IDEAdatabaseMySQL 5.7front-end technologyJquery + Bootstrap + JSPBackground technologySpring + Spring MVC + MyBatisLogginglog4j 2. Project directory structure The overall structure of the project is as follows: Details are as follows: (1) Storage directory of program cod ...

Added by synical21 on Fri, 21 Jan 2022 03:09:58 +0200

Big data Java foundation DAY9 (three object-oriented features inheritance)

catalogue Code block a. Local code block: b. Construction code block: c. Static code block inherit Inheritance overview Succession list Benefits of inheritance Characteristics of inheritance in Java Considerations for inheritance in Java Relationship of member variables in inheritance super keyword Relationship between construction ...

Added by Dima on Fri, 21 Jan 2022 02:00:45 +0200

Starting from "0", self-study the spring framework -- finally, no new object is needed

catalogue 1, spring environment modification 2, Bean object underlying implementation (rough) 1, spring environment modification 1. Modify the version number and delete redundant services 2. Add dependency <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> ...

Added by Scutterman on Wed, 19 Jan 2022 04:23:01 +0200

Control structures and arrays

control structure ##Bold styles # control the type of loop Sequence control: the program is executed line by line from top to bottom without jump and any judgment Branch control: if - else judgment // Single branch if(Conditional expression){ Execute statement; } // Double branch if(Conditional expression){ Execute statement; ...

Added by jtrost on Mon, 17 Jan 2022 03:30:22 +0200