create a java program that accepts students names, and test scores from a file, and displays theri name, average score and letter grade to the screen.

Answer 1

Please post also your question, for example, what you have done, where is your difficulty, or what kind of help you need.

Answer 2

class LastnameA6
{
static final NUMBEROFSTUDENTS = 5;
public static void main(String[] args)
{
//variable declaration
int test1, test2, test3, test4, test5; // variables to hold the values for the five test scores
double courseAvg = 0; // the average course score for each student
double classAvg = 0; // the average score for the whole class
String name; // variable to hold student name
char grade; // the grade scale 'A', 'B', 'C', 'D', 'F'

// add code here for the input(Assign7Input.txt) and output files (Assign7Output.txt)
......

// print the heading to the output text file.
System.out.println ("Student Test1 Test2 Test3 Test4 Test5 Average Grade");

for (int i = 0; i < NUMBEROFSTUDENTS; i++)
{
// add your code here to read the input and do the calculation
{ if
(grade <= 59)grade = F;
else
if (grade >= 60 && grade <=69)grade = D;
else
if (grade >=70 && grade <=79)grade = C;
else
if (grade >= 80 && grade <=89)grade = B;
else
if (grade >= 90 && grade <=100)grade = A;
// the following are from method call which to be completed later
courseAve = calculateAverage (test1, test2, test3, test4, test5);
grade = calculateGrade(courseAvg);

......

}

// add your code to calculate and output the class average
......

}

// Method 1: calculate the average grade from the five test scores
...... calculateAverage( ...... )
{
......
}

// Method 2: calculate the grade scale 'A', 'B', 'C', 'D', 'F'
......calculateGrade(......)
{
......
}
}