jdk 5.0中的新特性:Annotation注释类型

import java.lang.annotation.Documented;

@Documented
public @interface GroupAnnotation {
	public enum Severity { CRITICAL, IMPORTANT, TRIVIAL, DOCUMENTATION };
	  Severity severity() 
	        default Severity.IMPORTANT;
	  String item();
	  String assignedTo();
	  String dateAssigned();
	 

}