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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Manager {
  6. 	static final List<String> collection;
  7. 	static {
  8. 		System.out.println("initialize the Manager...");
  9. 		collection = new ArrayList<>();
  10. 		System.out.println("done initialize the Manager...");
  11. 	}
  12.  
  13. 	static void addThing(String thing) {
  14. 		collection.add(thing);
  15. 	}
  16. }
  17.  
  18. class Something {
  19. 	static {
  20. 		System.out.println("Initialize Something");
  21. 		Manager.addThing("something");
  22. 		System.out.println("Done Initialize Something");
  23. 	}
  24.  
  25. 	static void hello() {
  26. 		System.out.println("Hello");
  27. 	}
  28. }
  29.  
  30.  
  31. /* package whatever; // don't place package name! */
  32.  
  33.  
  34. /* Name of the class has to be "Main" only if the class is public. */
  35. class Ideone
  36. {
  37. 	public static void main (String[] args) throws java.lang.Exception
  38. 	{
  39. 		System.out.println("main");
  40. 		Something.hello();
  41. 		System.out.println("done main");
  42. 	}
  43. }
Success #stdin #stdout 0.06s 32404KB
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stdin
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Standard input is empty
stdout
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main
Initialize Something
initialize the Manager...
done initialize the Manager...
Done Initialize Something
Hello
done main
https://ideone.com/RFjEr5
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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