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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.lang.reflect.*;
  6. import java.io.*;
  7.  
  8. interface Foo {
  9. 	default int calc(int a, int b) {
  10. 		return a + b;
  11. 	}
  12. }
  13.  
  14. interface Boo {
  15. 	default void print(int a) {
  16. 		System.out.println(a);
  17. 	}
  18. }
  19.  
  20.  
  21. /* Name of the class has to be "Main" only if the class is public. */
  22. class Ideone implements Foo, Boo 
  23. {
  24. 	public static void main (String[] args) throws java.lang.Exception
  25. 	{
  26. 		// Multiple inheritance 
  27. 		Ideone obj = new Ideone();
  28. 		obj.print(obj.calc(2,3));
  29.  
  30. 		// Dynamic typing
  31. 		Object a;
  32. 		a = 123;
  33. 		System.out.println(a);
  34. 		a = false;
  35. 		System.out.println(a);
  36. 		a = "ala";
  37. 		System.out.println(a);
  38.  
  39. 		// no privacy on Internet
  40. 		Method method = obj.getClass().getDeclaredMethod("hidemenot");
  41. 		method.setAccessible(true);
  42. 		Object r = method.invoke(obj);
  43. 	}
  44.  
  45. 	private void hidemenot() {
  46. 		System.out.println("Not so private");
  47. 	}
  48. }
Success #stdin #stdout 0.08s 46924KB
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Standard input is empty
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5
123
false
ala
Not so private
https://ideone.com/bj5Nzp
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
public

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