True or False ___(13) A client code is a program that uses classes and objects. ___(14) The concept of allowing a class's private data to be changed only by a class's own methods is known as data masking. ___(15) The keyword super in the Java statement y = super.getX(); refer to the getX() method in the super class.

Hello can you help me do this Java homework (it's a program)

Problem Description and Given Info For this assignment you are given the following Java source code files: IStack.java (This file is complete – make no changes to this file) MyStack.java (You must complete this file) Main.java (You may use this file to write code to test your MyStack) You must complete the public class named MyStack.java with fields and methods as defined below. Your MyStack.java will implement the IStack interface that is provided in the IStack.java file. You must implement your MyStack class as either a linked list or an array list (refer to your MyArrayList and MyLinkedList work). Your MyStack must not be arbitrarily limited to any fixed size at run-time. UML UML CLass Diagram: MyStack Structure of the Fields While there are no required fields for your MyStack class, you will need to decide what fields to implement. This decision will be largely based on your choice to implement this MyStack as either an array list or a linked list. Structure of the Methods As…

Page < 32 of 41 You can override a private method defined in a subclass. (True/False)? ZOOM +

1 using static System.Console; 2 class ShapesDemo 3 { static void Main() { abstract class GeometricFigure Create an application named ShapesDemo that 4 creates several objects 5 that descend from an abstract class called 7 { GeometricFigure . Each 8 public int Height { 10 11 9 GeometricFigure get includes a height , a { 12 13 width , and an area. return height; } 14 15 Provide get and set set { 16 17 accessors for each field height = value; except area ; the area } 18 is computed and is read- } only. Include an abstract 19 public int Width 20 { 21 22 method called get ComputeArea() that { computes the area of the 23 24 return width; GeometricFigure . 25 26 27 28 29 set Next you will create three { width = value; additional classes derived from the } 30 } 31 GeometricFigure class. Name these derived classes: Rectange , 32 public int Area 33 { 34 Square , and Triangle. get 35 { 36 37 return area; } 38 } 39 40 private void CalArea() 41 { 42 43 } 44 area = Height * Width; 45 } 46

True or False ___(1) An abstract class can have fields. ___(2) You can create an object from an abstract class ​_ _(3) An abstract class can have both abstract methods and methods that have method body

Java

Design/code/test a Java program containing an abstract the class absWelcome. This class should contain: 1. A public abstract void method (you name it) that is empty 2. A public regular method (you name it) that prints "Welcome to " Next, create a subclass clsHello that extends absWelcome. This class should contain: • A public regular method (you name it) that prints "Java Programming" Finally, inside the Main class create an object (you name it) from the clsHello class. Use this new object reference to: 1. Output "Welcome to " from the abstract class 2. Output "Java Programming" from the subclass Your output should resemble that shown below >sh -c javac -classpath -type f-name '*.java') java -classpath :targe Welcome to Java Programming

True or False ___(10) You only need to override methods you need in an interface while ignoring other methods that you don’t use. ___(11) In Java the expression instanceof returns a boolean value. ___(12) One of the most important benefit of using inheritance in Java is the reuse of code

Personal Information Class:  Design a class called Employee that holds the following data about an employee: name ID number Department Job Title   Class.   Store your class in a separate file called employee.py. Your class will have an initializer method that will be passed the information entered by the user as arguments.  Write appropriate accessor and mutator methods for each data attribute.   Write a __str__ method to print the contents of the class (see example of __str__ on p. 523).  Main program: Your main program should create three instances of the class.   Your program should get the information from the user and pass it as parameters to the initializer method.    Using the __str__ method invoked by the print function, the program should display the personal information for the three individuals. Output and Sample Dialog: Enter employee name: Mary Smith Enter employee ID:  123456 Enter department: Accounting Enter position: Accountant   Enter employee name: Joe Morales Enter…