1. Create a JUnit test case in Eclipse and write down the complete code with the perfect output. 2. Use any three assertion methods and create a Java Programming code to generate the correct outputs.
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Practical:
1. Create a JUnit test case in Eclipse and write down the complete code with the perfect output.
2. Use any three assertion methods and create a Java
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- I need help with this Java program. I got some minor error that I couldn't fix. Checker Classes You will have to implement specific checks to highlight errors found in the source files. We provided an interface Check.java that defines a single method public Optional<Error> lint(String line, int lineNumber) . All the checkers you write should implement this interface and hence, you need to implement the lint method. All of these should return an an Error when one is present with a custom message of your choosing to describe what the error means to the user. If the condition a Check is looking for is not present for a line, should return Optional.empty(). Other class Error.java public Error(int code, int lineNumber, String message) Constructs an Error given the error code, line number and a message. public String toString() Returns a String representation of the error with the line number, error code and message. The representation should be formatted as (replace curly braces with…Prepare the hotel billing system with atleast 15 items details stored in array. apply inheritance., Exception handling techniques, using JAVA (please provide full code with output screenshotSolve the following exercise: 1. Use the following Java code to answer the following:to. Correct the errors that it hasb. Add required statements, routines, or modulesc. Explain the logic of the program and how it works // Demonstration of the JTextField class.import java.awt. *;import java.awt.event. *;import javax.swing. *;public class TestTextField extends JFrame{ private JTextField textfield1, textfield2, textfield3; private JPasswordField password field; // configure GUI public TestTextField (){ super ("Text Entry Test and Password Sample"); Container container = getContentPane (); container.setLayout (new FlowLayout ()); // create text field with default size textfield1 = new JTextField (10); container.add (textfield1); // create text field with default text TextField2 = new JTextField (" "); container.add (textfield2); // create text field with default text, // 20 visible elements and no event handler…
- Still referencing Java, (I hope this is how follow-up questions work, you know my previous question) how could method overloading help reduce errors and are method overloads a top-down or bottom-up approach? Or, is there a difference between top-down and bottom-up in consideration to overloading methods vs writing the actual program?Question 2, You are required to develop a Java program that implements all the required parts below. 2.1Create a new Java project using your IDE that will include a Java class called MyRoot. Note: you can use the same name for the project name as well.2.2Implement a Java method with the identifier “SquareRoot” that takes 1 parameter of type integer and returns a double value that represents the square root of the parameter. Note: you must implement the square root function yourself by using the bisection algorithm as explained in Appendix 1 and you should NOT use any java.lang.Math function.2.3Implement a Java method with the identifier “CubeRoot” that takes 1 parameter of type integer and returns a double value that represents the cube root of the parameter. Note: you must implement the cube root function yourself by using the bisection algorithm as explained in Appendix 1 and you should NOT use any java.lang.Math function.2.4Implement a Java method with the identifier “Root” that…Use Netbeans to run the following decorator pattern code. Provide screenshot to prove that the code runs successfully. Design a UML class diagram to model the program and fully explain the class diagram. SpaceshipDetails.java: public interface SpaceshipDetails {void name(String name);void size(String size);void passengerCabin(int load, int unload);void laserGun(int c);void rangeFinder(int d);void hyperDriver(int dist);} EbonHawk.java: public class EbonHawk implements SpaceshipDetails {@Overridepublic void name(String name) {System.out.println("The name of the ship is: " + name);}@Overridepublic void size(String size) {System.out.println("The size of the ship Ebon Hawk is: " + size);}@Overridepublic void passengerCabin(int load, int unload) {System.out.println("Number of passengers to be loaded: " + load);System.out.println("Number of passengers to be unloaded: " + unload);}@Overridepublic void laserGun(int c) {if (c == 1) {System.out.println("The spaceship has a gun");}else…
- Write the Java program bellow: add a new HourlyEmployee class to this project, so that it makes the main function work as shown in the sample output. Specifically you will need: To define HourlyEmployee as a sub-class of Employee (so it extends Employee). Two additional instance variables: an hourlyRate (dollars/hour) and an expectedHoursPerWeek. Both of these should have datatype double. A constructor that has all instance variables as parameters An input() function that overrides and uses its super-class input function, also inputting the two variables above. A weeksPay() method that returns the expectedHoursPerWeek times hourlyRate. An accessor (getter) and mutator (setter) for expectedHoursPerWeek An output() method that overrides and uses its super-class output function, also outputting the expected hours per week. Code: import java.util.Scanner; import java.util.ArrayList; class Main { publicstaticvoid main(String[] args) { Scanner scan = new Scanner(System.in); int i;…Write java program that meets the following specifications: (use your own example and data values) Class A with Two private instance variables of type Double and String with default values. Two overloaded constructors - a default constructor with no argument, and a constructor which takes a double argument. Two public methods Class B (Main class) to demonstrate and execute code.Can I get a help with this in Java please? Introduce a new class, called Borrower to the project. Its purpose is to represent the borrower of the CD. It should have two fields surname and libraryId; where the latter is a mix of letters and numbers, and a suitable constructor with parameters for only these two fields in the order specified above as well as appropriate accessor methods.
- or this assignment, you will select either the Cat or the Dog Java class from the UML diagram. Open the Virtual Lab (Apporto) by clicking on the link in the Virtual Lab Access module. Then open your Eclipse IDE and create a new class. Use the Eclipse IDE Tutorial if you need help with creating a class in Eclipse. Before you begin, review the following UML Class Diagram, paying special attention to the attributes and behaviors of each class. As a note, though the diagram illustrates an inheritance relationship between the classes, the class you choose to implement does not have to inherit from the Pet class for the purposes of this assignment. You will learn more about implementing inheritance in later modules. Next, you will implement either the Cat or Dog Java class. Your class must meet all of the specifications from the UML Class diagram. Be sure to include the following in your Cat or Dog class: All attributes (variables) with appropriate data types. Note that the types are…Fill the chart according to accessibility or visibility phenomenon in JAVA. You have to write “YES” in box where visibility is accessible and “NO” in box where visibility is not accessible. Note....This is a java progammAnswer please.
