Page 13 - KMK PREPSPM2 1819 ANSWER

SULIT No. Matrik…………………………………….… No. Kad Pengenalan………………………….. SC015

[2 marks]
Area=6.0
Area=24.0

(ii) Explain three (3) types of programming errors.
[3 marks]
Types of Explanation
Error
Occurs when the syntax of the programming
Syntax Error language is violated.
Missing semicolons
Occurs when a program with no syntax errors asks
the computer to do something that the computer is
Run-time unable to reliably do.
Error
Trying to divide by a variable that contains a value
of zero

Occurs when there is a design flaw in your program.
Logic Error
Adding when you should be subtracting

(iii) Complete the given Java program to solve the following problem.
“Calculate and display grade for 100 students based on
marks.”
Marks Grade
80 – 100 A
60 – 79 B
40 – 59 C
0 – 39 F
[6 marks]
import java.util.Scanner;
class MarkGrade{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
double mark;
char grade=' ';
for(int i=0;i<3;i++){
mark=sc.nextDouble();
if(mark>=80)
System.out.println('A');
else if(mark>=60)
System.out.println('B');
else if(mark>=40)
System.out.println('C');
else
System.out.println('F');
}
}
}

13 SULIT