Quick Answer: For which purpose packages are used in Java Mcq?

8 For which purpose packages are used in Java? Java packages resolves the name conflicts among different classes. A package is a collection of classes, methods and interfaces.

For which purpose packages are used in Java?

Packages are used in Java in order to prevent naming conflicts, to control access, to make searching/locating and usage of classes, interfaces, enumerations and annotations easier, etc.

For which purpose packages are used in Java * 1 point?

1) Java package is used to categorize the classes and interfaces so that they can be easily maintained. 2) Java package provides access protection. 3) Java package removes naming collision.

Which of these keyword is used to define packages in Java?

2. Which of these keywords is used to define packages in Java? Explanation: package keywords is used to define packages in Java.

What is the purpose of MCQ?

Multiple Choice Questions (MCQs) are generally recognized as the most widely applicable and useful type of objective test items. They could be used to measure the most important educational outcomes – knowledge, understanding, judgment and problem solving.

What is package example?

Package in Java is a mechanism to encapsulate a group of classes, sub packages and interfaces. Packages are used for: Preventing naming conflicts. For example there can be two classes with name Employee in two packages, college.

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What is full form of API in Java?

API is the acronym for Application Programming Interface, which is a software intermediary that allows two applications to talk to each other.

Why pointers are not used in Java?

Some reasons for Java does not support Pointers:

Java has a robust security model and disallows pointer arithmetic for the same reason. … No pointer support make Java more secure because they point to memory location or used for memory management that loses the security as we use them directly.

Why is system exit () used?

exit() method exits current program by terminating running Java virtual machine. This method takes a status code. A non-zero value of status code is generally used to indicate abnormal termination.

What is true constructor?

What is true about constructor? Explanation: Constructor returns a new object with variables defined as in the class. Instance variables are newly created and only one copy of static variables are created. … Abstract class cannot have a constructor.

What is constructor used for?

CONSTRUCTOR is a special method that is used to initialize a newly created object and is called just after the memory is allocated for the object. It can be used to initialize the objects to desired values or default values at the time of object creation.

What is meant by package?

A package is a small container in which a quantity of something is sold. Packages are either small boxes made of thin cardboard, or bags or envelopes made of paper or plastic. … When a product is packaged, it is put into containers to be sold.

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