Java Programming
9th Edition
ISBN: 9780357616635
Author: Joyce Farrell
Publisher: CENGAGE L
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Expert Solution & Answer
Chapter 4, Problem 7RQ
Program Description Answer
Overloaded methods in Java must have the same “name”.
Hence, the correct answer is option “D”.
Expert Solution & Answer
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When you call a method, you must include the ____________ required by the method.
7) In Java, call-by-value is only used with:
objects
primitive types
this
all of the above
Answer:
8) The parameter this refers to
instance variables
local variables
global variables
the calling object
Answer:
Pls answer these mcq's
9) When the parameters in a method have the same as instance variables you can differentiate them by using the _____ parameter.
String
hidden
default
this
Answer:
The process of matching a method call with the correct method is known as __________. a. sorting b. matching c. styling d. binding
Chapter 4 Solutions
Java Programming
Ch. 4 - Prob. 1RQCh. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Prob. 4RQCh. 4 - Prob. 5RQCh. 4 - Prob. 6RQCh. 4 - Prob. 7RQCh. 4 - Prob. 8RQCh. 4 - Prob. 9RQCh. 4 - Prob. 10RQ
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- In Python: Write a class named Pet, which should have the following data attributes: _ _name (for the name of a pet) _ _animal_type (for the type of animal that a pet is. Example values are 'Dog','Cat', and 'Bird') _ _age (for the pets age) The Pet class should have an _ _init_ _ method that creates these attributes. It should also have the following methods: set_nameThis method assigns a value to the _ _name field set_animal_typeThis method assigns a value to the _ _animal_type field set_ageThis method assignsa value to the _ _age field get_nameThis method assignsa value to the _ _name field get_animal_typeThis method assignsa value to the _ _animal_type field get_ageThis method assignsa value to the _ _age field Once you have written the class, write a program that creates an object of the class and prompts the user to enter the name, type and age of his or her pet. This data should be stored as the objects attributes. Use the objects accessor methods to retrieve the pets…arrow_forwardWhen a method is __________, it means that multiple methods in the same class have the same name but use different types of parameters. a. emulated b. versioned c. threaded d. overloadedarrow_forwardJavaarrow_forward
- Choose correct option It is disadvantageous to use public variables in classes because ___________ It results in compilation error It cannot control its values It cannot be accessed by other variables Its values cannot be initializedarrow_forwardThe __________ declares that a derived class is allowed to override a method. a. void keyword b. protected keyword c. base keyword d. virtual keywordarrow_forwardEvery method declaration must contain _____________________. a. a return type b. a statement of purpose c. declared accessibility d. the static modifierarrow_forward
- A(n) __________ is a special variable that receives an argument when a method is called. a. reference variable b. argument variable c. parameter variable d. method variablearrow_forwardIn C++, members of a class are ______ by default. A. Public B. Private C. Protected D. Static answer choices private public protected staticarrow_forwardCourse Title: Modern Programming Language Please Java Language Code Question : Create a Java Project With Your name as “MJibranAKramProjectQNo1”, add a class to this Project, Class name should be MJibranAkram with 18Arid2891 as “MJibranAkram18Arid2891” (a) Add a Method to Accept names and marks of n students from user, enter the value of n from User(b) Ensure that valid data is entered. If user enters an invalid data, then appropriate message should be displayed using Message Dialog Box e.g. ‘Name cannot be a number’ or ‘Marks must be an integer value’ (c) Add another Method, to Display this data in descending order according to marks such that name of student having maximum marks should come at the top and the name of student having minimum marks should come at the bottom.arrow_forward
- Pieces of data that are sent into a method are known as __________. a. arguments b. references c. method variables d. data entriesarrow_forwardCorrectly overloaded methods must have the same ______________________. a. identifier b. All of these. c. parameter list d. return typearrow_forwardjavaarrow_forward
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