Kindly send the screenshots of your code and output 1. Write a program that declare a simple structure, declare at least two variables with different data type. 2. Write a program to declare a structure and inside it is method that returns the area of a rectangle. Test Data and Sample Output: Input the dimensions of a rectangle: Length: 60 Width: 30 Expected Output: Length: 60 Width: 30 Area: 1800
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- 2. Write a program to declare a structure and inside it is a method that returns the area of a rectangle. Test Data and Sample Output: Input the dimensions of a rectangle: Length: 60 Width: 30 Expected Output: Length: 60 Width: 30 Area: 1800Given the class Pet below, write a client program to read data for five pets and display the following data: name of smallest pet, name of largest pet, and average weight of the five pets. Make sure you explain and justify every line of your code using internal documentation to get full mark. /**Class for basic pet data: name, age, and weight. */ public class Pet {private String name;private int age; //in years private double weight;//in kg public Pet(String initialName, int initialAge, double initialWeight) {name = initialName;if ((initialAge < 0) || (initialWeight < 0)) { System.out.println("Error: Negative age or weight."); System.exit(0); } else {age = initialAge; weight = initialWeight; } } public void setPet(String newName, int newAge, double newWeight) { name = newName;if ((newAge < 0) || (newWeight < 0)) {System.out.println("Error: Negative age or weight."); System.exit(0); } else {age = newAge; weight = newWeight; } } public Pet(String initialName) {name =…1.) Write constant declaration for the following: - A public variable that is used to measure tolerance, with the value 0.001 - A private variable that is used to indicate a pass mark, with the integer value of 40 - A public character variable that is used to indicate that the help command is "h" 2.) what constant names are defined in the java.lang.math class? 3.) in a program that uses the constant value 73.28166 in ten different place, give reasons why it makes sense to associate this value with a variable name.
- Write a program that asks a user to enter a first name, a last name, and a year, andconstruct an account ID in the format of:firstname.lastnameYYwhere the field “firstname” is user’s first name allowing no more than (first) five letters;the field “lastname” is user’s last name allowing no more than (first) six letters; and thefiled “YY” is the lower two digits of the year. For example:first name entered: Michaellast name entered: Richmondyear entered: 1985 the constructed account ID will be: Micha.Richmo85IN JAVA Which is true about testing a method with three integer parameters and one integer return value? A. A good programmer would test all possible input values B. Using a variety of calls involving assert() is a good way to test the method C. Three test vectors are likely sufficient D. Each test case should include a negative value as a parameterWrite a Java program that reads student scores, displays the lowest score, and percentage of fail students and percentage of pass students based on the following scheme: Fail if score is less than 50, Pass otherwise. Your program must consider the following specifications: Use Percentage as the name of your class. Type your name and student number above the class declaration using a block/paragraph comment. Use documentation, comments and code style. Use significant and appropriate identifiers. Use appropriate data type for the variables
- Write a program that reads students’ names followed by their test scores. The program should output each student’s name followed by the test scores and the relevant grade. It should also find and print the highest test score and the name of the students having the highest test score. Student data should be stored in a struct variable of type studentType, which has four components: studentFName and studentLName of type string, testScore of type int (testScore is between 0 and 100), and grade of type char. Suppose that the class has 20 students. Use an array of 20 components of type studentType. Your program must contain at least the following functions: A function to read the students’ data into the array. A function to assign the relevant grade to each student. A function to find the highest test score. A function to print the names of the students having the highest test score. Your program must output each student’s name in this form: last name followed by a comma, followed by a…Write a program that reads students’ names followed by their test scores. The program should output each student’s name followed by the test scores and the relevant grade. It should also find and print the highest test score and the name of the students having the highest test score. Student data should be stored in a struct variable of type studentType, which has four components: studentFName and studentLName of type string, testScore of type int (testScore is between 0 and 100), and grade of type char. Suppose that the class has 20 students. Use an array of 20 components of type studentType. Your program must contain at least the following functions: A function to read the students’ data into the array. A function to assign the relevant grade to each student. A function to find the highest test score. A function to print the names of the students having the highest test score. Your program must output each student’s name in this form: last name followed by a comma, followed by a…I need help with this Java Problem as described in the image below: public class BaseItem { protected String lastName; public void setLastName(String providedName) { lastName = providedName; } // FIXME: Define printItem() method /* Your solution goes here */ }// ===== end ===== // ===== Code from file DerivedItem.java =====public class DerivedItem extends BaseItem { private String firstName; public void setFirstName(String providedName) { firstName = providedName; } @Override public void printItem() { System.out.print("First and last name: "); System.out.println(firstName + " " + lastName); }}// ===== end ===== // ===== Code from file ItemInventory.java =====import java.util.ArrayList; public class ItemInventory { public static void main(String[] args) { BaseItem baseItemPtr; DerivedItem derivedItemPtr; ArrayList<BaseItem> itemList = new ArrayList<BaseItem>(); int i; baseItemPtr = new BaseItem();…
- In Java Write a program that checks the properness of a given variable name. Morespecifically, your program should specify whether a user-entered variable nameis (1) illegal, (2) legal but uses poor style, or (3) good. There are differentopinions as to what constitutes a good style for a variable name. For thisprogram, check for good style using these rules:· Only use letters and digits.· Use a lowercase letter for the first character.You do not need to check for an uppercase letter for the first letter in the secondand third words, ...etc.Your program should repeatedly prompt the user for variable names until the userenters "q" or "Q." the program terminates when the user enters the "q" or "Q." Sample session:This program checks the properness of a proposed Java variable name.Enter a variable name (q or Q to quit): streetAddress2Good!Enter a variable name (q or Q to quit): street address2Illegal.Enter a variable name (q or Q to quit): StreetAddress2Legal, but uses poor style.Enter a…The following copy constructor on lines 2-8 has a few bugs (errors). List all of them in the text box provided with the provided line number as a reference. For example, line 13 is missing a semi-colon (do not use this as one of your answers, -3.5 points). 1 class Midterm{2 void Midterms(const Midterm m){3 _scores = new int[_class_size];4 _class_size = m._class_size;5 for(int i = 0; i < m._class_size; i++)6 _scores[i] = m._scores[i];7 delete[] m._scores;8 }//Midterm910 private:11 int _class_size = 0;12 int* _scores = nullptr;13}//MidtermI need line by line explanation (using comments in the code itself) of the below Java program. I want to know what each line of code is doing / its function / purpose. Please and thank you Java program source code: class LowBalanceException extends Exception { public LowBalanceException(String message) { super(message); }} class BankAccount { private double balance; private static final double MIN_BALANCE = 50.0; public BankAccount(double initialBalance) { balance = initialBalance; } public void withdraw(double amount) throws LowBalanceException { if (balance - amount < MIN_BALANCE) { throw new LowBalanceException("Insufficient funds! Your balance cannot go below $" + MIN_BALANCE); } balance -= amount; System.out.println("Withdrawal successful. Current balance: $" + balance); }} public class Main { public static void main(String[] args) { BankAccount account = new BankAccount(100.0); try…