rrect answerWhich of the following is/are true about packages in Java?1) Every class is part of some package. 2) All classes in a file are part of the same package. 3) If no package is specified, the classes in the file go into a special unnamed package 4) If no package is specified, a new package is created with folder name of class and the class is put in this package.OptionsOnly 1, 2 and 3Only 4Only 1, 2 and 4Only 1 and 3
Question
rrect answerWhich of the following is/are true about packages in Java?1) Every class is part of some package. 2) All classes in a file are part of the same package. 3) If no package is specified, the classes in the file go into a special unnamed package 4) If no package is specified, a new package is created with folder name of class and the class is put in this package.OptionsOnly 1, 2 and 3Only 4Only 1, 2 and 4Only 1 and 3
Solution
The correct answer is "Only 1, 2 and 3".
Here's why:
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Every class is part of some package: This is true. If you do not specify a package, Java will put the class into a default package.
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All classes in a file are part of the same package: This is also true. In Java, you can't split a file into multiple packages.
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If no package is specified, the classes in the file go into a special unnamed package: This is true as well. As mentioned above, if you do not specify a package, Java will put the class into a default package.
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If no package is specified, a new package is created with folder name of class and the class is put in this package: This is not true. Java does not automatically create a new package with the folder name of the class if no package is specified. Instead, it uses a default package.
Similar Questions
Time left 0:13:37Question 8Not yet answeredMarked out of 1.00Flag questionQuestion textConsider the following statements about Java packages:I. Packages don’t provide a mechanism to partition all class names into more manageable chunks.II. Packages provide a visibility control mechanism.III. One of the important properties of a package is that all classes defined inside a package is accessible by code outside that package.IV. The .class files for classes declared to be part of a package can be stored in multiple directories.
In Java, what is the purpose of organizing classes into packages?Question 2Answera.To make classes privateb.To improve code reusability and maintainabilityc.To prevent inheritanced.To restrict access to classes
In Java, what is the primary purpose of declaring a package for a class?Question 3Answera.To specify the class attributesb.To create class instancesc.To indicate the package to which the class belongsd.To make the class inaccessible
What is the primary role of Java packages and the import statement in code organization?Question 4Answera.To increase code complexityb.To create naming conflictsc.To organize and manage related classesd.To hide classes from other packages
Which of the following is an incorrect statement about packages?a) Package defines a namespace in which classes are stored c) Java uses file system directories to store packages d) A package can be renamed without renaming the directory in which the classes are storedb) A package can contain other packages within it
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