public class GraduateStudent extends Student{ public int a ge; eoverride public String toString () { 10 11 12 13 return "Graduate Student"; 14 15 16 public class MainClass( public static void ma in(String[] args){ Student A - new GraduateStudent (); GraduateStudent B - new GraduateStudent(): System.out.println (A.toString()) ; System.out.println(B.toString ()) ; 17 18 19 20 21 a) What will be printed out by line 20 in the above code? b) What will be printed out by line 21 in the above code? You are given the below Java code: public class student{ 2: 3: 1: public string name; 5: 6: 7: 8: 9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: public class Graduatestudent extends student{ public int age; public void printName (){ System. out. printIn(name); public clasS Mainclass{ public static void main(String[] args){ student A - new Graduatestudent(); student B new Student (); Graduatestudent c - (Graduate student) A; Graduatestudent D - (Graduate Student) B; Graduatestudent E - new Graduatestudent (); A. printName(); E. printName(); c) Which line in the above code would result in a ClassCastException?. d) Which line in the above code would generate a compile error
public class GraduateStudent extends Student{ public int a ge; eoverride public String toString () { 10 11 12 13 return "Graduate Student"; 14 15 16 public class MainClass( public static void ma in(String[] args){ Student A - new GraduateStudent (); GraduateStudent B - new GraduateStudent(): System.out.println (A.toString()) ; System.out.println(B.toString ()) ; 17 18 19 20 21 a) What will be printed out by line 20 in the above code? b) What will be printed out by line 21 in the above code? You are given the below Java code: public class student{ 2: 3: 1: public string name; 5: 6: 7: 8: 9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: public class Graduatestudent extends student{ public int age; public void printName (){ System. out. printIn(name); public clasS Mainclass{ public static void main(String[] args){ student A - new Graduatestudent(); student B new Student (); Graduatestudent c - (Graduate student) A; Graduatestudent D - (Graduate Student) B; Graduatestudent E - new Graduatestudent (); A. printName(); E. printName(); c) Which line in the above code would result in a ClassCastException?. d) Which line in the above code would generate a compile error
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
Related questions
Question
![You are given the below Java code:
public class Student{
public String name;
public double gpa;
1
2.
4
eoverride
public String toString () {
return "Stud ent";
6.
public class GraduateStudent extends Student{
public int age;
eoverr ide
10
11
12
public String toString() {
13
return "Graduate Student";
14
15
16
public class MainClass{
public static void ma in(String[] args){
new GraduateStudent ():
17
18
Student A -
19
GraduateStudent
B - new GraduateStudent () ;
System.out.println (A.toString());
System.out.println(B.toString () );
20
21
22
23
a) What will be printed out by line 20 in the above code?
b) What will be printed out by line 21 in the above code?
You are given the below Java code:
public class Student{
public String name;
1:
2:
3:
4:
5:
6:
7:
8:
9:
10: }
11:
12: public class Mainclass{
13:
14:
15:
16:
17:
18:
19:
20:
21:
22: }
public class Graduatestudent extends Student{
public int age;
public void printName (){
system. out. printIn(name);
public static void main(String[] args){
student A - new Graduatestudent();
student B - new Student ();
Graduatestudent c - (Graduate student) A;
Graduatestudent D - (Graduate Student) B;
Graduatestudent E - new Graduatestudent ();
A. printName ();
E. printName ();
c) Which line in the above code would result in a ClassCastException?.
d) Which line in the above code would generate a compile error](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F38ee1ed0-7bb4-4cca-885a-0e9dc2c9337c%2F65089f5d-227e-4b89-bd15-9808ebd47908%2F2e3egcs_processed.jpeg&w=3840&q=75)
Transcribed Image Text:You are given the below Java code:
public class Student{
public String name;
public double gpa;
1
2.
4
eoverride
public String toString () {
return "Stud ent";
6.
public class GraduateStudent extends Student{
public int age;
eoverr ide
10
11
12
public String toString() {
13
return "Graduate Student";
14
15
16
public class MainClass{
public static void ma in(String[] args){
new GraduateStudent ():
17
18
Student A -
19
GraduateStudent
B - new GraduateStudent () ;
System.out.println (A.toString());
System.out.println(B.toString () );
20
21
22
23
a) What will be printed out by line 20 in the above code?
b) What will be printed out by line 21 in the above code?
You are given the below Java code:
public class Student{
public String name;
1:
2:
3:
4:
5:
6:
7:
8:
9:
10: }
11:
12: public class Mainclass{
13:
14:
15:
16:
17:
18:
19:
20:
21:
22: }
public class Graduatestudent extends Student{
public int age;
public void printName (){
system. out. printIn(name);
public static void main(String[] args){
student A - new Graduatestudent();
student B - new Student ();
Graduatestudent c - (Graduate student) A;
Graduatestudent D - (Graduate Student) B;
Graduatestudent E - new Graduatestudent ();
A. printName ();
E. printName ();
c) Which line in the above code would result in a ClassCastException?.
d) Which line in the above code would generate a compile error
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