Page 12 - KMK PREPSPM2 1819 ANSWER

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

[1 mark]
b*b – Math.sqrt(4*a*c);

c. 7

[1 mark]
7*x/y;

(iii) Complete the Java program for the problem statement below.

“Calculate and display the bonus earned by an insurance agent which
is always 10% of his total sales. Given that his basic salary is rm400,
calculate the net salary for an insurance agent.”
[3 marks]
import java.util.Scanner;
class NetSalary{
public static void main(String[] ar){
Scanner sc=new Scanner(System.in);
double totalSale, netSalary;

totalSale=sc.nextDouble();
netSalary = 400 + (0.1*totalSale);
System.out.println(netSalary);
}
}

(c) Control structures can be divided into three (3) types; sequence, selection, and
repetition.
(i) Find the output of the following Java program given a set of data as
below.

import java.util.Scanner;
class Triangle{
public static void main(String[] ar){
Scanner sc=new Scanner(System.in);
double base, height, area;

for(int i=0;i<2;i++){
base=sc.nextDouble();
height=sc.nextDouble();
area=0.5*base*height;
System.out.println(“\t\tArea=”+area);
}
}
}

base height
3 4
6 8

12 SULIT