Enums java:61:错误：应为类、接口或枚举

代码如下：

/*Purpose of program:
•  To demonstrate creating a Student class and creating and using a Student object
•  To demonstrate creating arrays and initializing the array from a data file
•  To demonstrate various ways to utilize arrays
*/

public class StudentGrades
{                       //fields
    private int idNum;                  //1    number to refernce student from list            
    private int[] scores = new int[10]; //2    test grades

    //constructor, accepts args(for fields?)
    public StudentGrades(int mIdNum, int[] mScores)
    {                     
        idNum = mIdNum;                 
        scores = mScores;    
    }

    //(no-args constructor)
    public StudentGrades()   
    {                    
        idNum = 0;
        scores = 0;
    }

    //methods  (sets~ accept args)(gets~ return)
    public void setIdNum(int mIdNum) //1   //allows value change of field after object creation
    {
        idNum = mIdNum;                  
    }   
    public int getIdNum()
    {
        return idNum;
    }  
        public void setScores(int mScores) //2
    {
        scores = mScores;
    } 
    public int getScores()
    {
        return scores;
    }

    public int calculateTotalScores()     //method calculates total of test grades   
    {                                                
        totalScores = totalScores + scores;
        return totalScores;
    } 

    public int calculateAdjustedTotalScores()    //method calculates adjusted total (drop lowest, use highest twice)
    {
        lowest = scores[0];
        highest = scores[ ];
        total = 0;
        for(int c=1; c<scores.length; c++)
            if(lowest >scores[c])
            {
                lowest = scores[c]
            }
        if(highest <scores[c])
        {
            highest = scores[c]
        }
        AdjustedTotalScores = total + lowest - highest           
    }
    // public int calculateTotalScores()    //method calculates average of ten grades (base upon adjusted total, round to the nearest int)
}

java:57:错误：应为类、接口或枚举

public int[] calculateAdjustedTotalScores()    //method calculates adjusted total (drop lowest, use highest twice)
       ^

highest = scores[ ];
^

total = 0;
^

for(int c=1; c<scores.length; c++)
^

for(int c=1; c<scores.length; c++)
             ^

for(int c=1; c<scores.length; c++)
                              ^

java:60:错误：应为类、接口或枚举

public int[] calculateAdjustedTotalScores()    //method calculates adjusted total (drop lowest, use highest twice)
       ^

highest = scores[ ];
^

total = 0;
^

for(int c=1; c<scores.length; c++)
^

for(int c=1; c<scores.length; c++)
             ^

for(int c=1; c<scores.length; c++)
                              ^

java:61:错误：应为类、接口或枚举

public int[] calculateAdjustedTotalScores()    //method calculates adjusted total (drop lowest, use highest twice)
       ^

highest = scores[ ];
^

total = 0;
^

for(int c=1; c<scores.length; c++)
^

for(int c=1; c<scores.length; c++)
             ^

for(int c=1; c<scores.length; c++)
                              ^

java:62:错误：应为类、接口或枚举

public int[] calculateAdjustedTotalScores()    //method calculates adjusted total (drop lowest, use highest twice)
       ^

highest = scores[ ];
^

total = 0;
^

for(int c=1; c<scores.length; c++)
^

for(int c=1; c<scores.length; c++)
             ^

for(int c=1; c<scores.length; c++)
                              ^

---

我不理解compliler.1的错误响应。缩进代码。2.当您声明一个方法返回一个

int

-它应该返回一个

int

；）