// I am trying to do input validation for certain codes. Theproblem is that if l
ID: 3615015 • Letter: #
Question
// I am trying to do input validation for certain codes. Theproblem is that if l run my program it doesn't do the inputvalidation. It seems like l have everything right in my program. Isthere anywhere l made a mistake ? Whats causing this problem ?import javax.swing.*;
public class getGoodprovince
{
public static void main ( String [] args )
{
String callProvince = getGoodProvinceCode();
System.out.println(callProvince);
}
public static String getGoodProvinceCode()
// open method getGoodProvinceCode
{
boolean inputOk=true;
String province =JOptionPane.showInputDialog("Enter your provincial code e.gMB");
while (!inputOk )
{ // open while loop
province =province.toUpperCase().trim() ;
if ( province.equals("BC") ||province.equals("AB")
|| province.equals("SK")|| province.equals("MB")
|| province.equals("ON")|| province.equals("QC")
|| province.equals("PE")|| province.equals("NB")
|| province.equals("NS")|| province.equals("NL") )
{
inputOk=true;
}
else
{
inputOk=false;
province = JOptionPane.showInputDialog("Enter your provincial codee.g MB");
}
}// close while loop
return province;
} // close method getGoodProvinceCode
}
Explanation / Answer
please rate - thanks must start inputOK as false or it won't do your loop import javax.swing.*; public class getGoodprovince { public static void main ( String [] args ) { String callProvince = getGoodProvinceCode(); System.out.println(callProvince); } public static String getGoodProvinceCode() // open method getGoodProvinceCode { booleaninputOk=false; String province =JOptionPane.showInputDialog("Enter your provincial code e.gMB"); while ( !inputOk ) { // open while loop province = province.toUpperCase().trim() ; if (province.equals("BC") || province.equals("AB") || province.equals("SK") || province.equals("MB") || province.equals("ON") || province.equals("QC") || province.equals("PE") || province.equals("NB") || province.equals("NS") || province.equals("NL") ) { inputOk=true; } else { ///note code removed here -- not needed sincealready false province = JOptionPane.showInputDialog("Enter your provincial codee.g MB"); } }// close while loop return province; } // close method getGoodProvinceCode }
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