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(){…

Question

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);
 }
}

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 */ }

• A
  3% (1)
• B
  6% (2)
• C
  76% (26)
• D
  15% (5)

Explanation

Incorrect: Not A: Student has private access line; Student s = new Student(123,"Fred", cs); Not D: Cannot be applied to given types. Line: Student s = new Student(123,"Fred", cs);

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