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Creating a Separate Method to Calculate

Posted on 2004-08-20
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Last Modified: 2006-11-17
How would I go about writing a program that displays a salary of an employee or emplyoyee's and does the calculations in a separate method and returns the result to be displayed?

Very new to Javascript and Expert Exchange.

Thanks for the help
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Question by:RgrWalker
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5 Comments
 
LVL 8

Expert Comment

by:trevorhartman
ID: 11853278
say you have an html form with several inputs: value1, value2, and answer:

<form name="calc">
 <input type="input" id="value1">
 <input type="input" id="value2">
 =
 <input type="input" id="answer">
 <input type="button" value="do calc" onClick="showCalc()">
</form>

then your script would be:

<script>

function showCalc()
{
  val1 = document.getElementById("value1").value;
  val2 = document.getElementById("value2").value;
  document.getElementById("answer").value = doAdd(val1,val2); // do this if you want to add them
  document.getElementById("answer").value = doMult(val1,val2); // do this if you want to multiply them
}

functino doAdd(val1, val2)
{
 return val1+val2;
}

functino doMult(val1, val2)
{
 return val1*val2;
}

</script>

-Trevor
0
 
LVL 8

Expert Comment

by:trevorhartman
ID: 11853292
typo on my doAdd and doMult functions. should be:

function doAdd(val1, val2)
{
 return val1+val2;
}

function doMult(val1, val2)
{
 return val1*val2;
}
0
 

Author Comment

by:RgrWalker
ID: 11855998
So if it had to display the weekly salary who earned ## per hour and worked 40 hours and 13 overtime hours at a time and a half wage how would it look?

This is what I've come up with, I'm trying to figure out how I get it to display and calculate in a separate method.

public class Salary
{
public static void main(String[] args)
{
double Wage=25.00;
double numberOfHoursWorked=40;
double OverTimeHoursWorked=13;

double WeeklySalary=OvertimePay+(Wage*numberOfHoursWorked);
double OvertimePay=OverTimeHoursWorked*(Wage*1.5);

System.out.println("WeeklySalary: " +Weekly Salary);
}
}
0
 
LVL 8

Accepted Solution

by:
trevorhartman earned 50 total points
ID: 11856150
public class Salary
{
public static void main(String[] args)
{
double Wage=25.00;
double numberOfHoursWorked=40;
double OverTimeHoursWorked=13;

double OvertimePay= CalculateOverTime(Wage, OverTimeHoursWorked);
double WeeklySalary=OvertimePay + CalculateWeeklySalary(Wage, numberOfHoursWorked);

System.out.println("WeeklySalary: " +Weekly Salary);
}

public static double CalculateWeeklySalary (double Wage, double NumberOfHours)
{
  return Wage*NumberOfHours;
}
public static double CalculateOverTime (double Wage, double OverTimeHoursWorked)
{
  return OverTimeHoursWorked*Wage*1.5;
}

}
0
 

Author Comment

by:RgrWalker
ID: 11856222
Worked great, the only change I made were removing the Colan in this line....

System.out.println("WeeklySalary: " +Weekly Salary);

Thank you for your help
0

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