Java Classes - Quiz Explanation

The correct answers are indicated below, along with text that explains the correct answers.

1.	What keyword do you use to import a class or a package containing classes? Please select the best answer.
	A.	`include`
	B.	`import`
	C.	`package`
	The correct answer is B. The `import` keyword is used to import a class or a package containing classes. There is no `include` keyword in Java. The `package` keyword is used to identify the package to which a class belongs.

2.	What standard Java package is automatically imported into every Java program? Please select the best answer.
	A.	`java.applet`
	B.	`java.lang`
	C.	`java.io`
	The correct answer is B. The standard `java.lang` package is automatically imported into every Java program. The `java.applet` and `java.io` packages must always be explicitly imported into Java programs when their functionality is required.

3.	Where must you place the `package` statement in order to identify the package to which a class belongs? Please select the best answer.
	A.	At the beginning of the source code file for the class
	B.	At the end of the source code file for the class
	C.	Anywhere in the source code file for the class
	The correct answer is A. The `package` statement must be placed at the beginning of the source code file for a class in order to identify the package to which the class belongs.