Java reflection mechanism, get objects through class names, and call methods and parameters

Source: Internet
Author: User
Original article address:Java reflection mechanism, get objects through class names, and call methods and parameters Author:Qingfan try {
// Obtain the object
Class C = Class. forname (" Complete Class Name");
Object yourobj = C. newinstance ();
// Obtain the Method
Method methlist [] = Cls. getdeclaredmethods ();
For (INT I = 0; I <methlist. length; I ++ ){
Method M = methlist [I];
}
// Obtain the method object. Assume that the method parameter is an int and the method name is setage.
Method sage = C. getmethod ("setage", new class [] { Int. Class});
// Obtain the parameter object
Object [] arguments = new object [] { New INTEGER (37)};
// Execution Method
Sage. Invoke ( Yourobj, Arguments );
} Catch (exception e ){
}  

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.