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This article focuses on "java reflection how to call the specified properties", interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "java reflection how to call specified properties"!

Description

1. In the reflection mechanism, you can manipulate the properties in the class directly through the Field class.

2. Set and get the content of the property through the set () and get () methods provided by the Field class.

Example

@ Testpublic void testField () throws Exception {Class clazz = Person.class; / / create an object of the runtime class Person p = (Person) clazz.newInstance (); / / 1. GetDeclaredField (String fieldName): get the attribute Field name = clazz.getDeclaredField ("name") of the specified variable name in the runtime class; / / 2. Make sure that the current property is accessible name.setAccessible (true); / / 3. Get and set this property value of the specified object name.set (p, "Tom"); System.out.println (name.get (p));} so far, I believe you have a better understanding of "how java reflection invokes the specified property". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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