Which of these correctly de¯nes a constructor in the class Student?
- PUBLIC STUDENT ()
- public STUDENT ()
- PUBLIC student()
- public void Student()
All Java keywords are lowercase so public must be lowercase. A constructor must have the same name as the class and all Java classes should start with an uppercase letter. Constructors do not have a return type so the only correct one is the last one.
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As with any other resource, color resources should be defined in XML so you can easily change colors without modifying your app’s Java source code and so you can use Android’s ________ capabilities to provide colors resources for various sce-narios (different locales, night and day colors, and so on).
a. color-choosing b. value-choosing c. locale-choosing d. resource-choosing
Each _________ in a component is similar to a thread in an ordinary OS, with certain limitations.
A) ?kernel ? B) ?command ? C) ?event ? D) ?task