[英]Dynamically instantiate a Ruby class similar to Java
How can this line in Java be translated to Ruby: 如何将Java中的这一行转换为Ruby:
String className = "java.util.Vector"; String className =“java.util.Vector”;
... ...
Object o = Class.forName(className).newInstance(); Object o = Class.forName(className).newInstance();
Thanks! 谢谢!
Object::const_get('String').new()
如果您正在使用ActiveSupport(即Rails),则会向String
添加一个方法来执行此操作:
"String".constantize.new
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.