public class VariableDemo {
public static void main(String[] args) {
int ageOfStudent = 5;
double scoreOfStudent = 80.0;
char levelOfStudent = 'B';
System.out.println("年級\t 得分\t 等級");
System.out.printf("%4d\t %4.1f\t %4c",
ageOfStudent, scoreOfStudent, levelOfStudent);
}
}