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A class can have multiple constructors which means its objects can be created with different types of input fields.
For such a class, default constructor doesn't take any field and required constructors are defined inside the body of the class.
Let's declare a class Student
having below member fields.
name
of type Stringsex
of type Char (M / F)grade
of type Integer (ex - 1, 2, 3, 4 etc)age
of type of Integer (ex - 7, 10, 13 etc)The Class should have multiple constructors so that using the resulting class, one should be able to instantiate new objects in various ways as shown below:
An object of Student
can be created just by name
with default values for other fields (sex = F, grade = 5 and age = 12).
var stu = new Student("Dey");
An object of Student
can be created just by name
and sex
with defaut values for other fields (grade = 5 and age = 12).
var stu = new Student("Mack", 'F');
An object of Student
can be created by name
, sex
, grade
and age
.
var stu = new Student("Doe", 'F', 8, 16);
The class members of the object should be accessible as below:
var name_stu = stu.name
var sex_stu = stu.sex
var grade_stu = stu.grade
var age_stu = stu.age
Write the code of the class in Jupyter and press Shift+Enter.
Try to create objects of the class in various ways as described and make sure that it works as required.
Test that you are able to access the value of member fields using the dot operator.
Click on "Submit Answer".
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