A Java programmer has developed a GUI with several different fields for inputting values and indicating choices via buttons, all
using JavaFX. To manage the user experience, the programmer wishes to have the field of input automatically advance to the next input field or button after an entry is made. To do this, the programmer should use the
In order to do this the programmer needs to use the EventHandler class. This class allows the computer to listen for certain user actions such as pressing a button. Using this on a button would then allow the programmer to specify what they want to happen when the user clicks the button or performs a certain action. For example, in this scenario, the programmer would program an EventHandler so that when the button is clicked it saves the input to a variable and changes the input field to the next option.
No the pentaprism or pentamirror are both optical viewfinder viewing systems and are not part of the mirrorless camera. Some thing the pentaprism actually operates better than the electronic viewfinder of mirrorless cameras.
