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Answer the following statements true (T) or false (F)

1) You cannot validate values assigned to properties using an object initializer. 2) Methods that overload binary operators must take two arguments. 3) Operators should be overloaded to perform actions similar to those that they normally perform on objects of simple types. 4) At least one argument of an operator overload method must be a reference to an object of the class in which the operator is overloaded.

How can you untaint Perl variables?

What will be an ideal response?