Q. A java interface can contain _______.

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Q. Which of the following is a correct interface?

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Q. Which of the following classes directly implement Set interface?

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Q. Which is the correct way to inherit and implement the interface?

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Q. Which of the following is true about methods in an interface in java?

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Q. Can "abstract" keyword be used with constructor, Initialization Block, Instance Initialization and Static Initialization Block.

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Q. Package in Java is a mechanism to encapsulate a ______________.

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Q. Package names and directory structure are closely related.

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Q. An _______________ statement can be used to access the classes and interface of a different package from the current package.

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Q. Which of the following packages is used to includes classes to create user interface like Button and Checkbox?

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Q. Which of the following packages is used to includes utility classes like Calendar, Collection, Date?

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Q. Which of the following is the correct way of importing an entire package "pkg"?

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Q. Which of the following is false statement about package in java?

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Q. Packages that are inside another package are the _________

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Q. An interface in Java is like a 100% ____.

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Q. A Java Interface is not considered a class. State TRUE or FALSE.

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Q. Choose the correct syntax below for defining an Interface in Java.

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Q. Choose a correct statement about Java Interfaces?

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Q. A Java Class inheritsConstants and Methods of an Interface using ____ keyword.

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Q. All Interface variables are ___ by default in Java.

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