shiro Chinese api_Shiro

1 shiro Apache shiro is a Java security framework. Functions: authentication, authorization, encryption and session management functions Application environment: JavaEE, JavaSE Subject can be viewed as a user The core API of the SecurityManager framework The realm domain object is used to get UTF-8...

Posted by mj99 on Wed, 22 Sep 2021 20:04:28 +0530

03JAVA foundation --- knowledge system

catalogue operator 1. General 2. Operator quick look-up table 3. Classic exercises 3.1 seeking normal and leap years 3.2 self increasing and self decreasing 3.3 compare the size of two numbers 3.4 compare the size of three numbers 4. Expansion 4.1 self increasing and self decreasing operators oUTF-8...

Posted by ollie007 on Wed, 22 Sep 2021 20:21:50 +0530

Object oriented programming - Fundamentals

1. Member method 1.1 basic introduction In some cases, we need to define member methods (Methods for short). For example, human beings: in addition to some attributes (age, name...), we human beings also have some behaviors, such as speaking, running... And doing arithmetic problems through leaUTF-8...

Posted by FD_F on Wed, 22 Sep 2021 21:39:07 +0530

Spring MVC ---- interceptor + file upload and download

Spring MVC - interceptor + file upload and download Our goal is the stars and the sea, not the dust on earth Interceptor The processor interceptor of spring MVC is similar to the Filter in Servlet development, which is used to preprocess and post process the processor. Developers can define somUTF-8...

Posted by programming.name on Wed, 22 Sep 2021 22:11:09 +0530

200 cases 59 of getting started with Java for beginners to print the Calendar with Calendar

Introduction to the author Author name: Ming Shiyin in programming world Introduction: CSDN blog expert has been engaged in software development for many years and is proficient in Java and JavaScript. Bloggers also learn and grow step by step from scratch, know the importance of learning and aUTF-8...

Posted by figuringout on Thu, 23 Sep 2021 06:11:26 +0530

Introduction to visualization tool D3.js tutorial (Chapter 11) - pie chart

Introduction to visualization tool D3.js tutorial (Chapter 11) - pie chart First, let's sort out the new knowledge we need to master before drawing the pie chart: 1. d3.arc -- create a new arc generator d3.arc(arguments ) The generator is used to generate a circle, sector or ring in a pie chartUTF-8...

Posted by zimick on Thu, 23 Sep 2021 06:12:46 +0530

Introduction to Java for beginners 200 examples 62 common examples of date query in Java

Introduction to the author Author name: Ming Shiyin in programming world Introduction: CSDN blog expert has been engaged in software development for many years and is proficient in Java and JavaScript. Bloggers also learn and grow step by step from scratch, know the importance of learning and aUTF-8...

Posted by jklanka on Thu, 23 Sep 2021 06:17:12 +0530

Java foundation -- loop

1. switch statement 1. Branch statement switch statement Format: switch (expression) { case 1: Statement body 1; break; case 2: Statement body 2; break; ... default: Statement body n+1; break; } Execution process: First, calculate the value of the expressionSecondly, compare with case in turn. UTF-8...

Posted by itsjames on Thu, 23 Sep 2021 06:36:09 +0530

Multithreading ThreadLocal -- boy next door ♂

1. Introduction What is it ThreadLocal provides thread local variables. These variables are different from normal variables, because each thread has its own independently initialized variable copy when accessing the ThreadLocal instance (through its get or set method). A ThreadLocal instance isUTF-8...

Posted by kooks on Thu, 23 Sep 2021 09:07:07 +0530

JSR303 verification + unified exception handling @ ExceptionHandler

JSR303 verification 1. Use verification annotation A series of verification methods are provided in Java. These verification methods provide annotations such as @ Email, @ NotNull and so on in the "javax.validation.constraints" package. orgUTF-8...

Posted by rahulroy on Thu, 23 Sep 2021 09:52:46 +0530