On occasion, you might want a method to be able to alter a value you pass to it. What type of parameter should you use in this case?

A technician wants to compare a new servers performance over a period of time. Which of the following should the technician do FIRST?

A. Monitor processor performance logs B. Constantly check the task manager C. Use performance server logs D. Establish a baseline for the server

Which of the following statements is false?

a. A JavaFX GUI's scene graph is a tree structure of an app’s visual elements, such as GUI controls, shapes, images, video, text and more. b. Each visual element in the scene graph is a node—an instance of a subclass of Node (package javafx.scene), which defines common attributes and behaviors for all nodes in the scene graph. c. The first node in the scene graph is known as the origin. d. Nodes that have children are typically layout containers that arrange their child nodes in the scene.