The Code Below Will Not Compile Successfully Unless the Argument

question 59

Multiple Choice

The code below will not compile successfully unless the argument to the makeMenuItem method is final.Why not?
public JMenuItem makeMenuItem(final String menuLabel)
{
JMenuItem mi = new JMenuItem(menuLabel) ;
class MyMenuListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
doSomethingElse() ;
System.out.println(menuLabel) ;
}
}
mi.addActionListener(new MyMenuListener() ) ;
return mi;
}

• A)JMenuItem labels must be final
• B)This prevents the menuLabel argument from being modified
• C)Because a local variable is being accessed from an inner classes
• D)Because the String class is final

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Definitions:

Risk-adjusted Cost

A financial measure that adjusts the costs of an investment by considering the risk involved, accounting for the riskier nature of some investments compared to others.

Common Stock

A form of corporate equity ownership, a type of security representing units of ownership or equity in a corporation.

Zero-growth Perpetuity

A type of investment that pays a fixed amount of cash flows indefinitely, with no expectation of growth in the payments.

Stable Cash Flow Patterns

A financial condition where the inflows and outflows of cash are predictable and consistent over time, facilitating business planning.