Q7

Q7

View the exhibit:

public class Student {

       public String name = "";

       public int age = 0;

       public String major = "Undeclared";

       public boolean fulltime = true;

       public void display() {

             System.out.println("Name: " + name + " Major: " + major);

       }

       public boolean isFullTime() {

             return fulltime;

       }

}

Given:

public class TestStudent {

       public static void main(String[] args) {

             Student bob = new Student();

             Student jian = new Student();

             bob.name = "Bob";

             bob.age = 19;

             jian = bob;

             jian.name = "Jian";

             System.out.println("Bob's Name: " + bob.name);

       }

}

A.
Bob’s Name: Bob

B.
Bob’s Name: Jian

C.
Nothing prints

D.
Bob’s name
Risultato :
Bob's Name: Jian
Dopo l'istruzione  jian = bob; il reference jian  referenzia lo stesso oggetto come bob.
riferimento : tipi reference