update,

it114105/itp3914/Lab06/Ex8.java

@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Ex8 {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        System.out.print("Exam mark? ");
+        double mark = input.nextDouble();
+        char grade = 'A';
+        if (mark < 39)
+            grade = 'F';
+        else if(mark <= 49)
+            grade = 'D';
+        else if(mark <= 59)
+            grade = 'C';
+        else if (mark <= 69)
+            grade = 'B';
+
+        System.out.printf("Grade = %c\n", grade);
+    }
+}