What Is the Purpose of the Argument "Null" in the Statement

question 54

Multiple Choice

What is the purpose of the argument "null" in the statement below: JOptionPane.showMessageDialog(null, "Show my message") ;

• A) This argument is ignored by Java.
• B) The output message will be placed in the upper left corner of the screen.
• C) The output message will be placed in the middle of the screen.
• D) It instructs Java to display the message immediately.

---

Definitions:

Operating Time

The total time during which a machine, system, or facility is functional and performing its intended tasks.

Product Layout

A type of factory layout where equipment and workstations are arranged in line with the sequence of operations for a specific product.

Equipment Utilization

A measure of how effectively a business or operation uses its equipment in terms of maximizing output and minimizing idle time.

Line Balancing

Line balancing involves arranging a production line so that each workstation has an approximately equal amount of work.