How to find that 2 references are pointing to same obejct??

how to find that 2 references are pointing to same obejct??
i feel that hashCode and equals will not work as far as i understood from javadoc

I wnat to know above because i want to check if ps in
this loop is same object or on each iteration new
object is created
for (int i = 0; i < 10 ;i ++)
PreparedStatement ps = con.prepareStatement(sql);
ps.setInt(1,i);
ps.executeUpdate();}
Here's a better question. Why in the world did you put that statement in the loop in the first place, unless the variable 'sql' is modified within?

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How to find that 2 references are pointing to same obejct??

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