수다닷컴

//**********************************************************************

public class GradeRange
{
//-----------------------------------------------------------------
// Creates an array of Grade objects and prints them.
//-----------------------------------------------------------------
public static void main (String[] args)
{
Grade[] grades =
{
new Grade(A, 95), new Grade(A-, 90),
new Grade(B+, 87), new Grade(B, 85), new Grade(B-, 80),
new Grade(C+, 77), new Grade(C, 75), new Grade(C-, 70),
new Grade(D+, 67), new Grade(D, 65), new Grade(D-, 60),
new Grade(F, 0)
};

for (Grade letterGrade : grades)
System.out.println (letterGrade);
}
}//***********************************************************************

public class Grade
{
private String name;
private int lowerBound;

//-----------------------------------------------------------------
// Constructor: Sets up this Grade object with the specified
// grade name and numeric lower bound.
//-----------------------------------------------------------------
public Grade (String grade, int cutoff)
{
name = grade;
lowerBound = cutoff;
}

//-----------------------------------------------------------------
// Returns a string representation of this grade.
//-----------------------------------------------------------------
public String toString()
{
return name + \t + lowerBound;
}

//-----------------------------------------------------------------
// Name mutator.
//-----------------------------------------------------------------
public void setName (String grade)
{
name = grade;
}

//-----------------------------------------------------------------
// Lower bound mutator.
//-----------------------------------------------------------------
public void setLowerBound (int cutoff)
{
lowerBound = cutoff;
}

//-----------------------------------------------------------------
// Name accessor.
//-----------------------------------------------------------------
public String getName()
{
return name;
}

//-----------------------------------------------------------------
// Lower bound accessor.
//-----------------------------------------------------------------
public int getLowerBound()
{
return lowerBound;
}
}위에 두개의 파일이 있습니다. GradeRange.java와 Grade.java

Grade.java를 보면 mutator와 accessor가 있거든요.

제가 보기에는 set___ , get___ 이런 메소드가 필요 없다고 생각하는데

왜 명시를 해주는건가요? 이해가 안가네요.

그냥 이런 값이 있다... 보여주는건가요? 자세히좀 알려주세요.

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