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UML Use Case Diagrams: Include Relationships

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Questions and Answers

What is the primary purpose of an access modifier in a Java class definition?

To define the class name
To specify the return type of a method
To control the accessibility of a class (correct)
To declare the main method

What is the purpose of a literal string in Java?

To pass information to a method
To represent a series of characters (correct)
To specify the return type of a method
To declare a variable

What is the significance of the curly brackets in a Java class definition?

They mark the beginning and end of a class (correct)
They enclose the main method
They specify the return type of a class
They mark the beginning and end of a method

What is the main method in a Java program?

The entry point of the program execution (C) Signup and view all the answers

What is a characteristic of a Java class?

It can have only one main method (C) Signup and view all the answers

What is the purpose of reserved words in Java?

To have special predefined meanings (D) Signup and view all the answers

What is the main purpose of the 'include' relationship in use-cases?

To simplify large use-cases by splitting it into several use-cases (C) Signup and view all the answers

What is the direction of the dashed arrow in an 'extend' relationship?

From the extending use-case to the base use-case (D) Signup and view all the answers

What is the relationship between the child use-case and the parent use-case in a generalization relationship?

The child use-case inherits properties and behavior of the parent use-case (D) Signup and view all the answers

What is the role of the 'extend' relationship in use-cases?

To extend optional functionality under a certain use-case (D) Signup and view all the answers

How does a child use-case relate to a parent use-case in a generalization relationship?

The child use-case inherits properties and behavior of the parent use-case (D) Signup and view all the answers

What is the purpose of the dashed arrow in an 'include' relationship?

To label the keyword in an 'include' relationship (B) Signup and view all the answers

What is the primary purpose of the public access modifier in the main method?

To allow the Java interpreter to call the method (D) Signup and view all the answers

What is the significance of the static keyword in the main method?

It makes the method accessible and usable without creating an instance of the class (B) Signup and view all the answers

What is the purpose of the void keyword in the main method?

It indicates that the method does not return any value (A) Signup and view all the answers

What is the main method header composed of?

public static void main(String[] args) and the body of the method (B) Signup and view all the answers

What is the significance of the main method in a Java application?

It is the entry point of a Java application where execution always begins (D) Signup and view all the answers

What is the minimum number of main methods required in a Java application?

One (1) main method per Java application (C) Signup and view all the answers

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