Programmer Group

Last BeanWrapper We introduced the origin of BeanWrapper. Now let's continue to see how Spring constructs a Bean. The code is not long and not particularly complex /** * Use the appropriate instantiation strategy to create beans: factorymethod, automatic injection of constructor, or simple parameterless constructor */ protected BeanWrap ...

Tomcat source code analysis - startup The source code of this article comes from Tomcat 8.5.33 The reference cited in this paper is Tomcat architecture analysis - Liu Guangrui Note: This article is a serial article. You can refer to the previous article class loader initialization and the subsequent article processing requests ...

mybatis supports different databases. The specific access to the database is the driver jar package provided by different database manufacturers. For example: mysql-connector-java.jar of MySQL The jar s provided by different manufacturers are also implemented based on the interface in the java.sql package under the JDK For example, different d ...

pojo package com.kuang.pojo; public class Hello { private String str; public String getStr() { return str; } public void setStr(String str) { this.str = str; } @Override public String toString() { return "Hello{" + "str='" + str + '\'' + '}'; } } xml ...

What is hot loading Hot loading means that you can make the changes take effect without restarting the service. Hot loading can significantly improve the efficiency of development and debugging. It is implemented by a Java-based class loader, but *** is not normally used in a formal production environment because of the insecurity of hot ...

Engineering dependency com.android.dialer is the main project and depends on com.android.contacts.common project and com.android.phone.common project com.android.contacts.common depends on com.android.phone.common project and com.android.common project In addition, some support packages are also introduced as link projects. The above codes ...

skiplist is a very useful data structure, which is also common in interviews. Its efficiency is basically equivalent to that of red black tree, and its coding implementation is much simpler than that of red black tree 1. How to implement a dict by yourself Unlike C + +, java and other high-level languages with built-in map, C language does ...

reference type Definition: the data type represented by the actual value reference of the type (similar to the pointer in C). If you assign a reference type to a variable, the variable references (or "points") the original value. Do not create any copies. Reference types include class, interface, delegate, and boxed value types. ...

1, Introduction to the overall functions of Spring framework          1,Spring Core Container:          Module function: Core and Beans modules are the basic parts of the framework, providing IoC (transition control) and dependency injection features. The basic concept here is BeanFactory, which provi ...

replicaset controller analysis Introduction to replicaset controller Replicaset controller is one of many controllers in Kube controller manager component. It is the controller of replicaset resource object. It monitors replicaset and pod resources. When these two resources change, it will trigger the replicaset controller to tune the corresp ...