java - How many String objects will be created here? -

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string x = new string("xyz"); string y = "abc";  x = x + y;

how many string objects created in code?

there @ least 4 objects:

  • the interned string "xyz"
  • the copy of interned "xyz" string
  • the interned string "abc"
  • the result of concatenating 2 strings.

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