What must you do before you can use a variable in a Java application?
A. delcare it
B. check its data type
C. display it
D. store it in the manifest
Answer: A
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Which of the following errors is synchronous?
a. Divide by zero. b. Arithmetic overflow. c. Unsuccessful memory allocation. d. All of the above.
Which of the following statements is false?
a. The nodes arranged in a layout container are a combination of controls and possibly other layout containers. b. When the user interacts with a control, it generates an event. Programs can use event handling to specify what should happen when each user interaction occurs. c. An event handler is a method that responds to a user interaction. An FXML GUI’s event handlers are defined in a controller class. d. All of the above statements are true.
In all structured loops, the loop-controlling question provides the only entry to, or exit from, the repeating structure.
Answer the following statement true (T) or false (F)
Deleting the .plist file for an unresponsive Linux app can help solve the problem
Indicate whether the statement is true or false