For the Student class defined below, which of the following statements is true regarding constructors, accessor methods, and mutator methods?



public class Student

{  private String fname;

  private String lName;

  private Strind id;

  private double gpa;



public Student()

{  fName =lName = id = "";

  gpa = 0.0;

}

public Student (String first, String last, String idNumber, double gradePointAvg)

{  fName = first;

  lName = last;

  id = idNumber;

  gpa = gradePointAvg;

}

public double getGPA()

{  return gpa;}



public voide setGPA (double newGPA)

{  gpa = newGPA;}

What is the purpose of a constructor method?

Below is the BaseballPlayer class definition. How many methods are there?



BaseballPlayer()

BaseballPlayer(String aName, String aTeam)

setHomeRuns(int nHomeRuns)

setBattingAverage(double nBattingAverage)

getRating()

toString()

Given two initialized String variables, str1 and str2, which of the following expressions correctly tests whether the value of str1 is equivalent to str2?

What is the mechanism whereby the data of an object is hidden from clients?