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  1. interface Jing{
  2. 	void jing();
  3. }
  4. interface Zhu{
  5. 	void zhu();
  6. }
  7. abstract class Person{
  8. 	public abstract void speak();
  9. 	}
  10. class Son extends Person implements Jing{
  11. 	@Override
  12. 	public void speak(){
  13. 		System.out.println("就说话");
  14. 	}
  15. 	@Override
  16. 	public void jing(){
  17. 		System.out.println("静静");
  18. 	}
  19. }
  20. class Demo{
  21. 	public static void main(String[] args){
  22. 		Person a=new Son();
  23. 		a.speak();
  24. 	}
  25. }
Success #stdin #stdout 0.09s 54748KB
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就说话
https://ideone.com/e4TYRL
language:
Java (HotSpot 12)
created:
16 hours ago
visibility:
public

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