In this exercise, you have to calculate the student's total marks using the concept of Classes Problem Statement# Write a Java class called Student with ● private fields: ○ name(String type) ○ mark1 and mark2 (double type) And methods: ● getMarks(int markNumber), a method which should return mark1 if markNumber equals 1 and mark2 otherwise. ● calcTotal() method should take the two marks entered and return their sum. Also define two constructors: ● A default constructor that takes no parameters and initializes the values to zeros and null. ● A constructor that takes the three variables and sets them as the values of the appropriate fields. Input# Name of the student and the marks obtained in the first and second tests Output# Sum of both marks Sample Input# Student student = new Student("Jack", 60, 70); Sample Output# getMarks(1) => 60 getMarks(2) => 70 calcTotal() => 130.0 Part of solution class Student { // Define private fields here public Student() { // Write definition here } public Student(String name, double mark1, double mark2) { // Write definition here } public double getMarks(int markNumber) { // Write definition here return 0; } public double calcTotal() { // Write definition here double totalMarks = 0; return totalMarks; } } class Demo { public static void main(String args[]) { Student student = new Student("Jack", 60, 70); System.out.println(student.calcTotal()); } }
In this exercise, you have to calculate the student's total marks using the concept of Classes Problem Statement# Write a Java class called Student with ● private fields: ○ name(String type) ○ mark1 and mark2 (double type) And methods: ● getMarks(int markNumber), a method which should return mark1 if markNumber equals 1 and mark2 otherwise. ● calcTotal() method should take the two marks entered and return their sum. Also define two constructors: ● A default constructor that takes no parameters and initializes the values to zeros and null. ● A constructor that takes the three variables and sets them as the values of the appropriate fields. Input# Name of the student and the marks obtained in the first and second tests Output# Sum of both marks Sample Input# Student student = new Student("Jack", 60, 70); Sample Output# getMarks(1) => 60 getMarks(2) => 70 calcTotal() => 130.0 Part of solution class Student { // Define private fields here public Student() { // Write definition here } public Student(String name, double mark1, double mark2) { // Write definition here } public double getMarks(int markNumber) { // Write definition here return 0; } public double calcTotal() { // Write definition here double totalMarks = 0; return totalMarks; } } class Demo { public static void main(String args[]) { Student student = new Student("Jack", 60, 70); System.out.println(student.calcTotal()); } }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
In this exercise, you have to calculate the student's total marks using the concept of Classes
Problem Statement# Write a Java class called Student with
● private fields:
○ name(String type)
○ mark1 and mark2 (double type)
And methods:
● getMarks(int markNumber), a method which should return mark1 if markNumber equals 1 and mark2 otherwise.
● calcTotal() method should take the two marks entered and return their sum. Also define two constructors:
● A default constructor that takes no parameters and initializes the values to zeros and null.
● A constructor that takes the three variables and sets them as the values of the appropriate fields.
Input#
Name of the student and the marks obtained in the first and second tests
Output#
Sum of both marks
Sample Input#
Student student = new Student("Jack", 60, 70);
Sample Output# getMarks(1) => 60 getMarks(2) => 70 calcTotal() => 130.0
Part of solution
class Student {
// Define private fields here
public Student() {
// Write definition here
}
public Student(String name, double mark1, double mark2) {
// Write definition here
}
public double getMarks(int markNumber) {
// Write definition here
return 0;
}
public double calcTotal() {
// Write definition here
double totalMarks = 0;
return totalMarks;
}
}
class Demo {
public static void main(String args[]) {
Student student = new Student("Jack", 60, 70);
System.out.println(student.calcTotal());
}
}
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