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What is a MethodHandle? Starting with Java 7, another set of API MethodHandle is provided. Its function is similar to reflection, which can access type information at run time, but it is said that its execution efficiency is higher than reflection, which is also called modern reflection of Java. The official definition is as follows: A me ...

1. What is java generics? java generics: the English name is generics. Generics is a new feature introduced by jdk5. The essence of java generics is parameterized types, that is, all operation data types are specified as a parameter. Entities that operate on parameterized types, such as classes, interfaces, or methods, are called generic entit ...

WHAT Dynamic agent is a kind of agent mode. Agent mode refers to that the agent helps the proxy object complete what should be completed by the proxy object. Agents usually have more powerful capabilities and are more professional than the objects they are represented. Take an example in life to illustrate that you can choose to find the landl ...

PHP advanced features - Reflection and the combination of factory design patterns [explained in combination with the example of laravel admin code] Use reflection to realize the production of factory mode without creating specific factory classes Article address http://janrs.com/?p=833 Reprint without authorization of the author Please indic ...

Annotation and reflection annotation What is annotation Annotation is a technology introduced by JDK5 Annotation is to explain the procedure What's the difference between annotation and annotation Annotations are explained to programs, and annotations are explained to people Format of annotation: Annotations exist in the code as "@ ...

PHP advanced features - Reflection and the combination of factory design patterns [explained in combination with the example of laravel admin code]Use reflection to realize the production of factory mode without creating specific factory classesArticle address http://janrs.com/?p=833 Reprint without authorization of the authorPlease indicate th ...

1, Annotation 1. Built in annotation 1.1 Override Annotation for overriding superclass methods Can only be used for decorating methods Represents a method declaration intended to override another method in a superclass 1.2 Depecated Not recommended Can be used to decorate methods, properties, and classes Indicates that programmers are ...