Web pages use what port numbers?

Adding a ButtonGroup object to a container ________.

a. is necessary for the functionality of the ButtonGroup to work properly. b. causes all the JRadioButtons in the group to have their event handlers registered. c. results in a compilation error. d. None of the above.

Suppose that alpha and beta are int variables. The statement alpha = beta++; is equivalent to the statement(s) ____.

A. alpha = 1 + beta; B. alpha = alpha + beta; C. alpha = beta; beta = beta + 1; D. beta = beta + 1; alpha = beta;