The dynamic type of b1 on line 8 is

What role did Bill Haley play in launching rock music?

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What was unique about Elvis Presley’s life and career?

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The dynamic type of o1 on line 5 is

Can a parent class access the protected variables of a derived class?

You can pass null as a parameter to a method taking in a parameter of type Scanner.

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1.2.4 Lugmassas word deur ‘n van mekaar geskei. (1)