Exam 3: Engage Android User Input, Variables, and Operations

The String type is a class, not a primitive data type.

When a plus sign is placed between two strings, it ____________________ the two strings to create a new string value.

A(n) ____ can be used to display instructions at the top of Spinner controls.

Variables that have not been used have a ____.

A(n) ____ control is a widget similar to a drop-down list for selecting a single item from a fixed listing.

To assign a phrase as the value of a String variable, place the text in ____.

____________________ are multitouch interactions such as pressing two fingers to pan, rotate, or zoom.

The ____________________ Text Field allows for input that only appears as stars, thus hiding the actual content.

The code necessary to display the light holographic theme is _______________________________________________________.

The code necessary to find an EditText by the name of txtTickets is ____________________.

The code to format a decimal format as U.S. currency is as follows: ____________________________________________________________.

The on-screen keyboard is also called a(n) ____.

____ is the Java class that can be used to format numbers for display.

To display text in a TextView control, use the method ____.

A(n) ____ is used in a Java program to contain data that changes during the execution of the program.

Good programming practice dictates that variable names should reflect the values placed in the variables.

The only data type that has a default value is boolean.

The property that connects a Spinner control to a list of items is called ____________________.

A String can be a single ____.

Plus (+) and minus (-) have the highest order of precedence in the order of operations.