code 38.txt

/*
 * Program: Past paper 2015 
 * Date: 11/4/2019
 * Programmer: J.Sookha
 * Description: past paper 2015 done in class - including the use of the DecimalFormat
 *		for printing the amounts in a neat way 
*/
package cas12015test; 

import java.util.Scanner; 
import java.text.DecimalFormat;

public class cas12015test{

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);


		String strPattern = "R####.00"; // pattern to be used for formatting the number	
		// remember what we discussed about the 0 (zero) and what it means 
		DecimalFormat df = new DecimalFormat(strPattern); // instantiated df with the pattern

		double dblHrs, dblRate; 
	
		System.out.print("Enter hours: ");
		dblHrs = sc.nextDouble();
		System.out.print("Enter rate: ");
		dblRate = sc.nextDouble();
	
		double dblPay; 

		dblPay = dblHrs * dblRate;
		
		String strOutput; 

		//strOutput = df.format(dblPay); // df.format is going to format dblPay to the pattern		
		strOutput = "The pay is: " + df.format(dblPay);

		System.out.println(strOutput);
	
	}
}

//*******************************************************************************************************
// below is the correct way that the program needed to be code - since the question asked for a function
// just need to mention and show that ways we code - but more importantly realise that you could lose 
// marks if we do not follow the instructions in the question paper 

package weeklypay; 

import java.util.Scanner; 
import java.text.DecimalFormat;

public class weeklypay{

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String strPattern = "R####.00"; 	
		DecimalFormat df = new DecimalFormat(strPattern);
		double dblHrs, dblRate; 
		System.out.print("Enter hours: ");
		dblHrs = sc.nextDouble();
		System.out.print("Enter rate: ");
		dblRate = sc.nextDouble();
	
		double dblPay = CalcPay(dblHrs, dblRate);	
		String strOutput; s	
		strOutput = "The pay is: " + df.format(dblPay);

		System.out.println(strOutput);	
	}
	public static double CalcPay(double Hrs, double Rate){
		return Hrs * Rate; 
	}
}