
Explanation of Solution
a.
Given line:
Person p1 = new Student ();
Explanation:
The “Person” and “Student” are two classes. The class “Student” is the derived class and “Person” is the base class...
Explanation of Solution
b.
Given line:
Person p2 = new Undergraduate ();
Explanation:
The “Person” and “Undergraduate” are two classes...
Explanation of Solution
c.
Given line:
Student s1 = new Person ();
Explanation:
The “Person” and “Student” are two classes. The class “Student” is the derived class and “Person” is the base class...
Explanation of Solution
d.
Given line:
Student s2 = new Undergraduate ();
Explanation:
The “Undergraduate” and “Student” are two classes. The class “Undergraduate” is extend from the “Student” class...
Explanation of Solution
e.
Given line:
Undergraduate ug1 = new Person ();
Explanation:
The “Undergraduate” and “Person” are two classes. The class “Undergraduate” is extend from the “Student...
Explanation of Solution
f.
Given line:
Undergraduate ug2 = new Student ();
Explanation:
The “Undergraduate” and “Person” are two classes. The class “Undergraduate” is extend from the “Student...
g.
“Object” class:
All classes in Java inherit from the “Object” class.
- • Directly and indirectly all classes are inherited from the “Object”class.
- • Some of the basic methods of the “Object” class are listed below:
- ○ clone()
- ○ toString()
- ○ equals()
The above methods are automatically created in java when a class is created.
h.
“Object” class:
All classes in Java inherit from the “Object” class.
- • Directly and indirectly all classes are inherited from the “Object”class.
- • Some of the basic methods of the “Object” class are listed below:
- ○ clone()
- ○ toString()
- ○ equals()
The above methods are automatically created in java when a class is created.

Want to see the full answer?
Check out a sample textbook solution
Chapter 8 Solutions
Java: An Introduction to Problem Solving and Programming (7th Edition)
- For the pseudocode module, what is displayed with the call findValue(1, 4, 2)?Module findValue(Integer a, Integer b, Integer c) Declare Integer value value = b + c - a Display valuearrow_forwardI need help finishing my python rock paper scissors code, where it asks the user "rock, paper, scissors", the user types either option (repeatedly asks until its one of the three), and for a random option from the code to select also rock paper scissors. The end result would be you winning, code winning, or a tie.My code:import randomOPTIONS = ("ROCK", "PAPER", "SCISSOR") def getInput(): """ Function getInput() will receive and validate user input to be the string ROCK, PAPER, or SCISSOR. Input must be spelled correctly and in all capital letters. Function will return the validated input @return user input as ROCK, PAPER, OR SCISSOR """ #need help here def checkWinner(user, computer): """ Function checkWinner will accept 2 string parameters that must be unique values of ROCK, PAPER, or SCISSOR. Functions should return true if the string in parameter user beats the string in parameter computer in a game of rock…arrow_forwardI need help understanding how could I got the IP Address for the 1st Host on this Subnet, the IP Address for the Last Host on this Subnet & the Broadcast Address for this Subnet My Explanation:8 bits --> 17 & 0 128 64 32 16 | 8 4 2 1 0 0 0 1 0 0 0 1 -->17+ 0 0 0 0 0 0 0 0 --> 0 0 0 0 0 0 0 0 0 --> 0 (The Major (Base) Network Address): 142.20.33.0 To find the broadcast address, we can set all the bits in the host portion of the address to 1, which gives us 142.20.33.255. Based on the subnet mask 255.255.255.0, no bits were borrowed from the host portion, meaning 8 bits remain in the host portion. Using the formula 2^h – 2 (where h represents the number of host bits), we get 2^8 - 2 = 254 hosts. 8 bits --> 17 & 252 128 64 32 16 | 8 4 2 1 0 0 0 1 0 0 0 1 --> 17+ 1 1 1 1 1 1 0 0 --> 252 0 0 0 1…arrow_forward
- Which of the following opens when you click the launcher in the Size group on the Ribbon? Question 19Select one: a. Size dialog box b. Layout dialog box c. Width and Height dialog box d. Format dialog boxarrow_forwardHow do you resize a graphic object horizontally while keeping the center position fixed? Question 20Select one: a. Drag a side sizing handle. b. Press [Ctrl] and drag a side sizing handle. c. Press [Alt] and drag a side sizing handle. d. Press [Shift] and drag a side sizing handle.arrow_forwardWhich of the following indicates that a graphic is anchored to the nearest paragraph? Question 18Select one: a. X and Y coordinates b. An anchor symbol c. A paragraph symbol d. ruler marksarrow_forward
- Which command in the Adjust group allows you to change one picture for another but retain the original picture's size and formatting? Question 17Select one: a. Change Picture b. Replace c. Swap d. Relinkarrow_forwardHow do you insert multiple rows at the same time? Question 10Select one: a. Select the number of rows you want to insert, then use an Insert Control or use the buttons on the Ribbon. b. Click Insert Multiple Rows in the Rows & Columns group. c. Select one row and click the Insert Above or Insert Below button. You will be prompted to choose how many rows to insert. d. You cannot insert multiple rows at the same time.arrow_forwardHow do you center the text vertically in each table cell? Question 9Select one: a. Select the table and click the Distribute Columns button. b. Select the table and click the Center button in the Paragraph group on the Home tab. c. Select the table and click the AutoFit button. d. Click the Select button in the Table group, click Select Table, then click the Align Center Left button in the Alignment group.arrow_forward
- A(n) ____ is a box formed by the intersection of a column and a row. Question 8Select one: a. divider b. table c. border d. cellarrow_forwardA ____ row is the first row of a table that contains the column headings. Question 7Select one: a. header b. primary c. title d. headingarrow_forwardThe Horse table has the following columns: ID - integer, auto increment, primary key RegisteredName - variable-length string Breed - variable-length string Height - decimal number BirthDate - date Delete the following rows: Horse with ID 5 All horses with breed Holsteiner or Paint All horses born before March 13, 2013 To confirm that the deletes are correct, add the SELECT * FROM HORSE; statement.arrow_forward
- C++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage LearningMicrosoft Visual C#Computer ScienceISBN:9781337102100Author:Joyce, Farrell.Publisher:Cengage Learning,C++ for Engineers and ScientistsComputer ScienceISBN:9781133187844Author:Bronson, Gary J.Publisher:Course Technology Ptr
- Programming with Microsoft Visual Basic 2017Computer ScienceISBN:9781337102124Author:Diane ZakPublisher:Cengage LearningProgramming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:CengageNew Perspectives on HTML5, CSS3, and JavaScriptComputer ScienceISBN:9781305503922Author:Patrick M. CareyPublisher:Cengage Learning




