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  1. public class Main {
  2.     public static void main(String[] args) {
  3. 		StringBuilder text = new StringBuilder("Hello world!");
  4. 		String secondText = null;
  5. 		text.append(secondText);
  6. 		System.out.println(text);
  7.     }
  8. }
Success #stdin #stdout 0.07s 54264KB
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Standard input is empty
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Hello world!null
https://ideone.com/SGJvN5
language:
Java (HotSpot 12)
created:
23 hours ago
visibility:
public

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