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explain this code

 
Greenhorn
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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;
}
-------------------------------------
Answer --true,true
answer says that f1,f2,f3 all refer to the same Fizz obect.How ?
 
kuldeep tiwari
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f1 & f3 do refer to the same object,ok.........but hw about f2?
 
kuldeep tiwari
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oooops!!!The answer wz"f1,z & f3 all refer to the same object".
its ok now.
 
Consider Paul's rocket mass heater.
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