Compile and execute the code in java:

Student.java

public class Student $\{//$ a class named Student

private String firstName; $//$ See Teacher class for reference

private String lastName; $//$ See Teacher class for reference

private double gpa; $//$ an instance variable of type double to keep track of student GPA

private int numCreditsGained; $//$ an instance variable of type int to keep

$//$ track of the number of credits gained by this student

$//$ Student constructor

public Student$($String firstName, String lastName, double gpa, int numCreditsGained$)\{$

this.setFirstName$($firstName$)$; $//$ Example of using a setter method to set the instance variables

this.setLastName$($lastName$)$; $//$ See Teacher constructor for an alternate way of

$//$ assignment instance variables

this.setGpa$($gpa$)$;

this.setNumCreditsGained$($numCreditsGained$)$;

$\}$

public String getFirstName$()\{//$ Getter method

return firstName;

$\}$

public void setFirstName$($String firstName$)\{//$ Setter method

this.firstName $=$ firstName;

$\}$

public String getLastName$()\{$

return lastName;

$\}$

public void setLastName$($String lastName$)\{$

this.lastName $=$ lastName;

$\}$

public double getGpa$()\{$

return gpa;

$\}$

public void setGpa$($double gpa$)\{$

this.gpa $=$ gpa;

$\}$

public int getNumCreditsGained$()\{$

return numCreditsGained;

$\}$

public void setNumCreditsGained$($int numCreditsGained$)\{$

this.numCreditsGained $=$ numCreditsGained;

$\}$

$\}$