* Abstract and Interface in Java 1. Create an abstract class pen with methods write () and refill () as abstract methods 2. Use the pen class from Q1 to create a concrete class fountain additional method change Nib () 3. Create a class monkey with jump ( ) and bite ( ) methods Create a class human which inherits this monkey class and implements basic animal interface with eat ( ) and sleep methods 4. Create a class telephone with ( ) , lift ( ) and disconnected ( ) methods as abstract methods create another class smart telephone and demonstrate polymorphism 5. Demonstrate polymorphism using monkey class from Q3 6. Create an interface TV remote and use it to inherit another interface pen with smart TV remote 7. Create a class TV which implements TV remote interface from Q6

Question 20 Unknown value can be represented in a table as O NULL O Zero O Unknown ΝΑ

I requested the key for 1, not -5.

When using a truth table, 1 and 1 equal: a. False b. True c. Zero d. neither true nor false

List the location name and location ID where the location ID is 1400, 1500, or 1800. Use INoperator. Do not use OR operator.

For questions 4 and 5, use the following order for the rows in your truth tables.P QT TT FF TF FP Q RT T TT T FT F TT F FF T TF T FF F TF F F4. (8 marks) Construct truth tables for the following statement forms.In your truth table, make sure that you include a column for each intermediate expression that you evaluate on your way to your final answer.(a) (P ↔ ¬Q) ∧ (P ↔ Q)(b) (¬P ∨ (¬Q ∨ ¬R)) ∨ (P ∧ Q)

answer with proper explanation and step by step solution. Question The Name column stores patients' names. Which of the following expressions correctly uses IN to check if a patient's name is 'Dave', 'Nancy', or 'Sutapa'? SELECT ONE OF THE FOLLOWING A. ('Dave', 'Nancy', 'Sutapa") IN Name B. ('Dave' OR 'Nancy' OR 'Sutapa') IN Name C. Name IN ('Dave', 'Nancy','Sutapa') D. Name IN ('Dave' OR 'Nancy' OR 'Sutapa')

pythin in file and list , I want to make list of month from Jan to Dec , and enter sales for each month . Make average , total , minimum and max sales .

a company assigns to each of its employees an ID code that consists of one or two uppercase letters follow by a digit from 0-9. How many employee codes does the company have available?

I'm using MySQL workbench Is the questions I have done correct? 1-Display the addresses of all the departments. Show locationID, street address,city,state and country name in the-- output. (Use Locations table) SELECT l.ID, L.ADDRESS, L.CITY, L.STATE, L.COUNTRY FROM Locations L, DEPARTMENTS D WHERE L.ID= D.LOCATION_ID;-- 2-Display the last name, department number and deparment name for all employees.SELECT E.last_name, E.department, D.DEPARTMENT_NAMEFROM employees E,departments DWHERE E.DEPARTMENT_ID = D.DEPARTMENT_ID; -- 3-Display the last name, job, department number, and department name for all employees work in-- Toronto. (Employees,Departments,Locations)SELECT e.LAST_NAME, e.JOB_ID, e.DEPARTMENT_ID, d.DEPARTMENT_NAMEFROM EMPLOYEES e, DEPARTMENTS d, LOCATIONS lWHERE e.DEPARTMENT_ID = d.DEPARTMENT_IDAND d.LOCATION_ID = l.LOCATION_IDAND UPPER(l.CITY) = 'TORONTO';-- 4-Display employees' last name and employee number along with their manager's last name and manager number.-- Label the...

not what was asked

Only one correct answer, Which one?

The date used in the answer is not the date used in the question. INCORRECT.