A Drum Switch Is a Mechanically Held Device That Allows

question 9

Short Answer

A drum switch is a mechanically held device that allows the _____________________ of rotation of a motor to be changed.

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Definitions:

Java.swing

A GUI (Graphical User Interface) widget toolkit for Java that allows the creation of window-based applications.

Str1.substring()

A method in Java that returns a new string that is a substring of the given string, starting from a specified index to the end or between specified start to end indexes.

System.out.printf()

A Java method that provides formatted output, allowing for the inclusion of variables in a text string.