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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. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		// your code goes here
  13. 		new Ideone();
  14. 	}
  15. 	public Ideone() {
  16. 		A a = new A();
  17. 		System.out.println("ex1");
  18. 		a.f(1234);
  19. 		System.out.println("ex2");
  20. 		a.f(54321, "first", "second");
  21. 	}
  22.  
  23. 	class A {
  24. 		void f(int a, Object... os) {
  25. 			System.out.println("int: " + a);
  26. 			System.out.println("Objects is null?: " + (os == null));
  27. 			if (os != null) {
  28. 				System.out.println("Objects length: " + os.length);
  29. 				for (Object o: os) {
  30. 					System.out.println("\t" + o);
  31. 				}
  32. 			}
  33. 		}
  34. 	}
  35. }
Success #stdin #stdout 0.07s 380224KB
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stdin
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Standard input is empty
stdout
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ex1
int: 1234
Objects is null?: false
Objects length: 0
ex2
int: 54321
Objects is null?: false
Objects length: 2
	first
	second
https://ideone.com/5wQAoJ
language:
Java (12.0.1)
created:
12 years ago
visibility:
secret

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