Which class implementation best accomplishes this? Assume that each code block below contains the correct attributes and constructor.

Group of answer choices

public class Section $\{$

$//$ private sectionId and course attributes, public constructor

public String getSectionId$()\{$

return sectionId;

$\}$

public Course getCourse$()\{$

return course;

$\}$

$\}$

public class Section $\{$

$//$ private sectionId and course attributes, public constructor

public void setSectionId$($String $\_$sectionId$)\{$

section $=\_$section;

$\}$

public void setCourse$($Course $\_$course$)\{$

course $=\_$course;

$\}$

$\}$

public class Section $\{$

$//$ private sectionId and course attributes, public constructor

public String getSectionId$()\{$

return sectionId;

$\}$

public void setSectionId$($String $\_$sectionId$)\{$

sectionId $=\_$sectionId;

$\}$

public Course getCourse$()\{$

return course;

$\}$

public void setCourse$($Course $\_$course$)\{$

course $=\_$course;

$\}$

$\}$