9 Questions
What is the purpose of the 'setX' method in the 'A' class?
The purpose of the 'setX' method in the 'A' class is to set the value of the variable 'x'.
In the given Java code, what does the expression 'int i = a1.f(10);' evaluate to?
The expression 'int i = a1.f(10);' evaluates to 20.
In the 'Main' class, what does the statement 'A a2 = a1;' signify?
The statement 'A a2 = a1;' signifies that the reference variable 'a2' now refers to the same object as 'a1'.
Explain the purpose of the 'A' class in the given Java code snippet.
The 'A' class serves as a blueprint for creating objects that have two integer variables 'x' and 'y', along with methods to set the value of 'x' and calculate the product of 'y' with a given integer.
What is the significance of the statement 'A a2 = a1;' in the 'Main' class?
The statement 'A a2 = a1;' signifies that the reference variable 'a2' is being assigned the same memory address as 'a1', indicating that both variables point to the same object.
Explain the concept of dependency relations in object-oriented programs, as presented by the authors.
The authors present dependency relations as the interaction and reliance between different elements (classes, methods, variables) within an object-oriented program, where changes in one element may impact others, indicating a level of dependency among them.
Quin és l'objectiu de la mètode 'f' en la classe 'A'?
Retornar el producte de l'argument de la mètode i el valor de 'y'.
Què representa la línia de codi 'A a2 = a1;' a la classe 'Main'?
Crea una referència 'a2' que apunta a la mateixa instància de 'A' que 'a1'.
Què representa la línia de codi 'int i = a1.f(10);' a la classe 'Main'?
Assigna a 'i' el resultat de cridar el mètode 'f' de 'a1' amb l'argument 10.
Test your understanding of Java class dependency by drawing the dependency graph for the given classes and analyzing the relationships between them.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
