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Question 1 🔥

Given these facts about Java types in an application:- Type x is a template for other types in the application.- Type x implements dostuff ().- Type x declares, but does NOT implement doit().- Type y declares doOther() .Which three are true?

Which database solution meets these requirements?

A. Type y must be an interface.

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B. Type x must be an abstract class.

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C. Type y must be an abstract class.

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D. Type x could implement or extend from Type y.

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E. Type x could be an abstract class or an interface.

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F. Type y could be an abstract class or an interface.

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Discussion of the question

Question 2 🔥

Given:What two changes, made independently, will enable the code to compile?

Which database solution meets these requirements?

A. Change the signature of Account to: public class Account.

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B. Change the signature of CheckingAccount to: public abstract CheckingAccount

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C. Implement private methods for deposit and withdraw in CheckingAccount.

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D. Implement public methods for deposit and withdraw in CheckingAccount.

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E. Change Signature of checkingAccount to: CheckingAccount implements Account.

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F. Make Account an interface.

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Discussion of the question

Question 3 🔥

Given:Which fragment, inserted in the Books interface, enables the code to compile?

Which database solution meets these requirements?

A. public abstract String type; public abstract String getType();

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B. public static String type; public abstract String getType();

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C. public String type = "Fiction"; public static String getType();

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D. public String type = "Fiction"; public abstract String getType();

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Discussion of the question

Question 4 🔥

Given:What is the result?

Which database solution meets these requirements?

Discussion of the question

Question 5 🔥

Which two forms of abstraction can a programmer use in Java?

Which database solution meets these requirements?

Discussion of the question

Question 6 🔥

Given:Which three values will appear in the output?

Which database solution meets these requirements?

Discussion of the question

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oracle 1Z0_804

Exam contains 146 questions

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