True or False? Instantiating an array of objects reserves room to store references only.
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Instantiating an array of objects reserves room to store references only.
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- Create a class Student with following data members, name, roll, and marks as private datamember. Create array of objects for three students, compare their marks but make sureallocating memory to all the objects during run time only and display the records of the studentwho is getting highest scoreCreate a class Student with following data members, name, roll, and marks as private data member. Create array of objects for three students, compare their marks but make sure allocating memory to all the objects during run time only and display the records of the student who is getting highest score.IN JAVA. Any help is appreciated! Thank you! PART 1 : Automobiles Create a data class named Automobile that implements the Comparable interface. Give the class data fields for make, model, year, and price. Then add a constructor, all getters, a toString method that shows all attribute values, and implement Comparable by using the year as the criterion for comparing instances. Write a program named TestAutos that creates an ArrayList of five or six Automobiles. Use a for loop to display the elements in the ArrayList. Sort the Arraylist of autos by year with Collections.sort(). Finally, use a foreach loop to display the ArrayList sorted by year.
- 10.5 LAB: Count probations (EO) Students are put on probation if their GPA is below 2.0. Complete the Course class by implementing the countProbation() method, which returns the number of students with a GPA below 2.0. Given classes: Class Course represents a course, which contains an ArrayList of Student objects as a course roster. (Type your code in here) Class Student represents a classroom student, which has three fields: first name, last name, and GPA. Hint: Refer to the Student class to explore the available methods that can be used for implementing the countProbation() method. Ex: If the following students and their GPA values are added to a course: Henry Cabot with 3.2 GPABrenda Stern with 1.2 GPALynda Robison with 3.3 GPAJake Flynn with 1.8 GPA then the countProbation() method returns 2 and the program output is: Probation count: 2 Course.java import java.util.ArrayList; public class Course { private ArrayList<Student> roster; // Collection of Student…Exercise #2 Implement an instance method belonging to the IntArrayBag class that takes two input parameters, oldVal and newVal. The method replaces each oldVal element in the array with newVal. Make sure to include the method header.please use the name, phonenumber and phonebookentry to build this. The three parallel arrays are gone — replaced with a single array of type PhonebookEntry. You should be reading in the entries using the read method of your PhonebookEntry class (which in turn uses the read methods of the Name and PhoneNumber classes). Use the equals methods of the Name and PhoneNumber classes in your lookup and reverseLookup methods. Use the toString methods to print out information. Make 100 the capacity of your Phonebook array Throw an exception (of class Exception) if the capacity of the Phonebook array is exceeded. Place a try/catch around your entire main and catch both FileNotFoundExceptions and Exceptions (remember, the order of appearance of the exception types in the catch blocks can make a difference). Do not use BufferedReader while(true) breaks The name of your application class should be Phonebook. Also, you should submit ALL your classes (i.e., Name, Strip off public from all your class…
- Complete the Course class by implementing the courseSize() method, which returns the total number of students in the course. Given classes: Class LabProgram contains the main method for testing the program. Class Course represents a course, which contains an ArrayList of Student objects as a course roster. (Type your code in here.) Class Student represents a classroom student, which has three fields: first name, last name, and GPA. Ex. For the following students: Henry Bendel 3.6 Johnny Min 2.9 the output is: Course size: 2 public class LabProgram { public static void main (String [] args) { Course course = new Course(); // Example students for testing course.addStudent(new Student("Henry", "Bendel", 3.6)); course.addStudent(new Student("Johnny", "Min", 2.9)); System.out.println("Course size: " + course.courseSize()); } } public class Student { private String first; // first name private String last; // last name private…Java Can an entire array be passed as a parameter? How is this accomplished? How is an array of objects created?Assign objectData with a JSON object with properties: userName (a string), studentAge (a number) and siblings (an array of strings). Note: The content of the properties doesn't matter.var objectData;/* Your solution goes here */
- Implement the CertOfDepositArrayapplication to accept data for an array of five CertOfDeposit objects, and then display the data. The program should prompt the user for the following information (in order): Certificate # Last name Balance Month of issue Day of issue Year of issue The program should display the year the certificate matures, which is one year after it was issued, in the format YYYY-MM-DD. the first file looks like this import java.time.*; public class CertOfDeposit { privateString certNum; privateString lastName; privatedouble balance; privateLocalDate issueDate; privateLocalDate maturityDate; publicCertOfDeposit(Stringnum,Stringname,doublebal,LocalDateissue) { } publicvoidsetCertNum(Stringn) { } publicvoidsetName(Stringname) { } publicvoidsetBalance(doublebal) { } publicvoidissueDate(LocalDatedate) { } publicStringgetCertNum() { } publicStringgetName() { } publicdoublegetBalance() { } publicLocalDategetIssueDate() { } publicLocalDategetMaturityDate() { } } and the…Part I Create a Student class that implements Comparable interface from java.lang.Comparable. Student should have name, lastName and studentId properties. Comparison should be done based on the alphabetical order of firstName and lastName. They should be compared on the lastName first, then the firstName Part II Write a main method and test your Student class by creating and sorting a Student array. You can use java.utils.Arrays an Arrays.sort to perform this operation. Note: Do not compress your files, submit only java files. Note: Do not forget to justify your answers with comments.1Declare an array to store objects of the class defined by the UML above. Use a method from the JOptionPane class to request the length of the array from the user. and Use a method from the JOptionPane class to request values from the user to initialize the instance variables of Election objects and assign these objects to the array. The array must be filled using this UMl