create a Java class diagram for the below Java program

class PersonalInfo

{

//Declare instance variables

private String name;

private String address;

private int age;

private String phNumber;

//Default constructor

PersonalInfo()

{

}

//setter functions

public void setName(String personName)

{

name=personName;

}

public void setAddress(String personAdd)

{

address=personAdd;

}

public void setAge(int personAge)

{

age=personAge;

}

public void setPhNumber(String personNumber)

{

phNumber=personNumber;

}

//getter functions

public String getName()

{

return name;

}

public String getAddress()

{

return address;

}

public int getAge()

{

return age;

}

public String getPhNumber()

{

return phNumber;

}

public String toString()

{

return "Name: "+name+" Age: "+age+" Address: "+address+" Phone Number: "+phNumber+" ";

}

}

/** PersonalInfoTester.java*/

import java.util.Scanner;

public class PersonalInfoTester

{

public static void main(String args[])

{

Scanner input=new Scanner(System.in);

//Create three instances of the PersonalInfo class

PersonalInfo person1=new PersonalInfo();

PersonalInfo person2=new PersonalInfo();

PersonalInfo person3=new PersonalInfo();

System.out.print("Enter the name of person1: ");

person1.setName(input.nextLine());

System.out.print("Enter the address of "+person1.getName()+": ");

person1.setAddress(input.nextLine());

System.out.print("Enter the age of "+person1.getName()+": ");

person1.setAge(Integer.parseInt(input.nextLine()));

System.out.print("Enter the phone number of "+person1.getName()+": ");

person1.setPhNumber(input.nextLine());

System.out.println(person1.toString());

System.out.print("Enter the name of person2: ");

person2.setName(input.nextLine());

System.out.print("Enter the address of "+person2.getName()+": ");

person2.setAddress(input.nextLine());

System.out.print("Enter the age of "+person2.getName()+": ");

person2.setAge(input.nextInt());

System.out.print("Enter the phone number of "+person2.getName()+": ");

input.nextLine();//to consume new line

person2.setPhNumber(input.nextLine());

System.out.println(person2.toString());

System.out.print("Enter the name of person3: ");

person3.setName(input.nextLine());

System.out.print("Enter the address of "+person3.getName()+": ");

person3.setAddress(input.nextLine());

System.out.print("Enter the age of "+person3.getName()+": ");

person3.setAge(input.nextInt());

System.out.print("Enter the phone number of "+person3.getName()+": ");

input.nextLine();//to consume new line

person3.setPhNumber(input.next());

System.out.println(person3.toString());

}

}