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Question : 21

Total: 23

Given:

class Fizz {
  int x = 5;
  public static void main(String[] args) {
   final Fizz f1 = new Fizz();
   Fizz f2 = new Fizz();
   Fizz f3 = FizzSwitch(f1,f2);
   System.out.println((f1 == f3) + " " + (f1.x == f3.x));
  }
  static Fizz FizzSwitch(Fizz x, Fizz y) {
   final Fizz z = x;
   z.x = 6;
   return z;
} }

What is the result?

true true
false true
true false
false false
Compilation fails
An exception is thrown at runtime.

Validate

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