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E:\Java Class>javac Student.java
Student.java:68: weightedGrade(int) in Student cannot be applied to ()
        weightInstance = weightedGrade();
                         ^
1 error

**im guessing the problem has to do with int iIn, i dont set it anywhere... so there isnt a value for it...????
=========================================
public class Student
{
    public int weight = 2;
    private String m_StName;
    private int m_StID = 99999;
    private int m_TotCredHrs = 45;
    private int m_TotNumGP = 100;
    //
    public void SetStName(String StName)
    {
        m_StName = StName;
    }
    public String getStName()
    {
    return m_StName;
    }
    //
    public void setStudentID(int StID)
    {
        m_StID = StID;
    }
    public int getStudentID()
    {
    return m_StID;
    }
    //
    public void setTotalCredHrs(int TotCredHrs)
    {
        m_TotCredHrs = TotCredHrs;
    }
    public int getTotalCredHrs()
    {
    return m_TotCredHrs ;
    }
    //
    public void setTotalNumGradePoints(int TotNumGP)
    {
        m_TotNumGP = TotNumGP;
    }
    public int getTotalNumGradePoints()
    {
    return m_TotNumGP ;
    }
    //
    public float GPACalc()
    {
        float GPA;
        GPA = (float)getTotalNumGradePoints() / (float)getTotalCredHrs();
        return GPA;
    }
    public void display()
    {
        //GPACalc(GPA);//this is not correct
        //String StrOut;
        //StrOut = new GPACalc();
        System.out.println("Student Name: " + m_StName);
        //StrOut += (", ");
        System.out.println("Student ID: " + m_StID);
        //StrOut += (", ");
        System.out.println("Total number of grade points: " + m_TotNumGP);
        //StrOut += (", ");
        System.out.println("Total Credit Hours: " + m_TotCredHrs);
        //StrOut += (", ");
        System.out.println("Student GPA: " + GPACalc());
        //StrOut += (", ");
        //return CalcedGPA;
        float weightInstance;
        weightInstance = weightedGrade();
        System.out.println("Students weighted grade: " + weightInstance);
    }
    //
    public float weightedGrade(int iIn)
    {
        float weightedGPA;
        float GPA;
        
        //weightedGPA = new GPACalc();
        GPA = GPACalc();
        weightedGPA = GPA + iIn;
        return weightedGPA;
    }
}