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System.out.println(f1.compareTo(f1)); // True
System.out.println(f1.compareTo(f2)); // False
System.out.println(f2.compareTo(f1)); // False
System.out.println(f1.compareTo(f3)); // False
System.out.println(f3.compareTo(f4)); // False
System.out.println(f4.compareTo(f3)); // False
all the object files are different from one another..
f1 == f1. is only true.
areTo method for FamousPerson objects cts Revisited," what is the output of the following code se...