Answered: So, I'm trying to convert this python…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

So, I'm trying to convert this python code into Java, and I'm struggling to work out some of the final kinks of it, I think. Here's what I have so far:

class Person {

public String Name;

public int Age;

public String isStudent;

public Person(String Name, int Age)

{

this.Name = name;

this.Age = age;

this.isStudent = "False";

}

public void birthday()

{

age += 1;

}

public void straw()

{

string result = "";

result += name + " is ";

if (isStudent = "True") {

result += "a student ";

} else {

result += "not a student ";

}

result += "and is " + age + " years old";

System.out.println(result);

}

class Student extends Person {

public Student(String name, int age){

super(name, age);

this.isStudent = "True";

}

public class Main {

public static void main(String[] args)

{

Student z = new Student("Bob", 20);

z.straw();

z.birthday();

z.straw();

Person r = new Person("Rob", 22);

r.straw();

}

class Person:
def -_init__(self, name, age):
self.name = name
self.age = age
self.isStudent = False
def birthday( self):
self.age +: 1
def -_str__(self):
result =
result +: self.name +
is
if (self.isStudent):
result +: "a student
else:
result +: "not a student
result +: "and is " + str(self.age) +
return result
years old"
class Student(Person):
def -_init__(self, name, age):
Person._init__(self, name, age)
self.isStudent = True
student = Student("Bob", 20)
print(student)
student.birthday()
print(student)
person = Person("Rob", 22)
print(person)|

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