create the CSV classe

NGCC/src/csv/CSV.java

@@ -0,0 +1,75 @@
+package genCSV;
+
+public class CSV {
+
+	private String studentNumber; // we put here the idendificator number for each students
+	private double grade; // we put here the grade of each copies.
+
+	public CSV() {
+		this.studentNumber = null;
+		this.grade = .0;
+	}
+
+	public CSV(String s, double d) {
+		if (checkStudentNumber(s)) {
+			this.studentNumber = s;
+			this.grade = d;
+		} else {
+			System.err.println(
+					"The student number is not correct, please enter a valid number (from 1 to 16 characters)");
+		}
+	}
+
+	public CSV(String s, String d) {
+		if (checkStudentNumber(s)) {
+			this.studentNumber = s;
+			this.grade = Double.parseDouble(d);
+		} else {
+			System.err.println(
+					"The student number is not correct, please enter a valid number (from 1 to 16 characters)");
+		}
+	}
+
+	public static boolean checkStudentNumber(String s) {
+		int i = 0;
+		boolean retour = false;
+		System.out.println(s.length());
+		if (s.length() >= 1 && s.length() <= 16) {
+			while (i < s.length())
+				{
+					   if (s.charAt(i) == '0' || s.charAt(i) == '1' || s.charAt(i) == '2' || s.charAt(i) == '3'
+						|| s.charAt(i) == '4' || s.charAt(i) == '5' || s.charAt(i) == '6' || s.charAt(i) == '7'
+						|| s.charAt(i) == '8' || s.charAt(i) == '9')
+					   		{
+						   		retour = true;
+					   		} else {
+					   			retour = false;
+					   			break;
+					   		}
+					   i++;
+				}
+		}
+		return retour;
+	}
+
+	@Override
+	public String toString() {
+		return "The student " + getStudentNumber() + " gets a " + getGrade() + " grade !";
+	}
+
+	public String getStudentNumber() {
+		return studentNumber;
+	}
+
+	public void setStudentNumber(String s) {
+		this.studentNumber = s;
+	}
+
+	public double getGrade() {
+		return grade;
+	}
+
+	public void setGrade(double d) {
+		this.grade = d;
+	}
+}