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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. class OnibusBiTrem extends Bus implements IMultiplosVagoes {}
  8. class Bus extends Car{}
  9. class Car implements HasPassengers{}
  10. interface HasPassengers{}
  11. interface IMultiplosVagoes {}
  12. /* Name of the class has to be "Main" only if the class is public. */
  13. class Ideone
  14. {
  15. 	public static void main (String[] args) throws java.lang.Exception
  16. 	{
  17. 		OnibusBiTrem oni = new OnibusBiTrem();
  18.         Class<?> classes = oni.getClass(); 
  19.         Set<String> items = new HashSet<>() ;        
  20.         SetInterfaces(classes, items)
  21.                 .forEach((item) -> {
  22.                      System.out.println(item);
  23.                  });
  24. 	}
  25. 	public static Set<String> SetInterfaces(Class<?> aClass,
  26.                                               Set<String> items)
  27.     {           
  28.         for (Class<?> intf : aClass.getInterfaces()) {
  29.             items.add(intf.getName()); 
  30.             SetInterfaces(intf, items);            
  31.         }
  32.         if (aClass.isInterface() == false && aClass.getSuperclass() != null) {
  33.             SetInterfaces(aClass.getSuperclass(), items);
  34.         }        
  35.         return items;
  36.     }
  37. }
Success #stdin #stdout 0.06s 33656KB
comments (?)
stdin 
Standard input is empty
stdout 
HasPassengers
IMultiplosVagoes
https://ideone.com/xPNeid
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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