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  1. class Example
  2. {
  3.     static Object obj;  // not initialized, defaults to null
  4.     public static void main(String[] args)
  5.     {
  6.         obj.hashCode();
  7.     }
  8. }
Runtime error #stdin #stdout #stderr 0.07s 381248KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
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Exception in thread "main" java.lang.NullPointerException
	at Example.main(Main.java:6)
https://ideone.com/dWqNm4
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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