Given the code fragments: ``java 9. class Student { 10. int rollnumber; 11. String name; 12. List<String> courses = new ArrayList<>(); 13. // insert code fragment here 14. public String toString(){…

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Java Class Design

Question

Given the code fragments:

9. class Student {
10. int rollnumber;
11. String name;
12. List<String> courses = new ArrayList<>();
13. // insert code fragment here
14. public String toString(){
15. return rollnumber + ":" + name + ":" + courses;
16. }
17. }

And,

public class Test {
 public static void main (String[] args) {
 List<String> cs = new ArrayList<>();
 cs.add("Java");
 cs.add("C");
 Student s = new Student(123,"Fred",cs);
 System.out.println(s);
 }
}

Which code fragment, when inserted at line 13, enables class Test to print 123 : Fred : [Java, C] ?

Options

Aprivate Student(int i, String name, List cs) { /* initialization code goes here */ }
Bpublic void Student(int i, String name, List cs) { /* initialization code goes here */ }
CStudent(int i, String name, List cs) { /* initialization code goes here */ }
DStudent(int i, String name, ArrayList cs) { /* initialization code goes here */ }

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Topics

#constructors#access modifiers#constructor syntax#class instantiation

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