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  1. class Ideone {
  2.  
  3.     private static Value createValue(String data) {
  4.         System.out.println("called createValue(\"" + data + "\")");
  5.         return new Value(data);
  6.     }
  7.  
  8.     private static Value[] values = {
  9.         createValue("A"),
  10.         createValue("B"),
  11.         createValue("C"),
  12.         null
  13.     };
  14.  
  15.     public static void main(String[] args) {
  16.         System.out.println("called main(String[] args)");
  17.         System.out.println(values[1]);
  18.         System.out.println(values[2]. data);
  19.         System.out.println(values[3]);
  20.     }
  21. }
  22.  
  23. class Value {
  24.     public String data;
  25.  
  26.     public Value(String data) {
  27.         this.data = data;
  28.     }
  29.  
  30.     public String toString() {
  31.         System.out.println("called Value(\"" + data + "\").toString()");
  32.         return this. data;
  33.     }
  34. }
  35.  
Success #stdin #stdout 0.17s 55464KB
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Standard input is empty
stdout
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called createValue("A")
called createValue("B")
called createValue("C")
called main(String[] args)
called Value("B").toString()
B
C
null
https://ideone.com/zCciXN
language:
Java (12.0.1)
created:
284 days ago
visibility:
public

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