//In Mamma1.java

class Mamma1

{

private int age;

private double weight;

Mamma1 ( float weight, int age)

{

this.age = age;

this.weight = weight;

}

public float getWeight ()

{

return weight;

}

public int getAge ()

{

return age;

}

}

. Write a client class called Lab4.java

.Create an object of class student called alex whose major is CS,gpa is 3.4, credit hours =54, height is170 cm , weight is 179 pounds and age is 18.

.Create an object of class Doctor called jack whose specialty is "Dermatology", years =4, height is 173 cm, weight is 179 pounds and age is 40.

.Print out the student's major, gpa, year , and age

.Print out the doctor's specialty, height, weight, and salary

.What will be the output after you execute the following statements? Explain you answer

Mamma1 mam1 = jack;

System.out.println(Mam1.getSalary());

. What will be the output after you execute the following statements? Explain your answer

Human hum1=alex;

System.out.println(Hum1.getHeight());

. what will be the output after you execute the following statements?Explain your answer

Mammal1 Mam1=jack;

System.out.println(Mam1.getWeight());

.What will be the output after you execute the following statements? Explain your answer

Mamma1 mam1=jack;

System.out.println((Human)Mam1).getHeight());