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Jan 13th, 2008, 2:27 AM
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#1 |
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Newbie
Join Date: Jan 2008
Posts: 4
Rep Power: 0
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Help in Converting C# to Java
Hey guys, need some help converting c# codes to java.
there's a lot of errors(repetitive at each else-if) and i only spot the starting of the codes, can any one help?  i don't know what's "Convert.ToInt32", the char numbers can't seem to convert into toString. sorry for my bad english 
import java.*;
import java.math.*;
import java.util.*;
class NricCheck {
public static void main (String [] args){
}
public boolean nricValidator(String nric){
char[] nricArray = nric.toCharArray();
int sum = 0;
int num = 0;
int result = 0;
char numbers;
String no = "";
boolean valided = false;
try
{
for (int i = 0; i<nricArray.length; i++)
{
if (i == 1)
{
num = 0;
numbers = nricArray[i];
no = numbers.toString();
num = Convert.ToInt32(no);
num *= 2;
nricArray[i] = Convert.ToChar(num);
}
else if (i == 2)
{
num = 0;
numbers = nricArray[i];
no = numbers.ToString();
num = Convert.ToInt32(no);
num *= 7;
nricArray[i] = Convert.ToChar(num);
}
else if (i == 3)
{
num = 0;
numbers = nricArray[i];
no = numbers.ToString();
num = Convert.ToInt32(no);
num *= 6;
nricArray[i] = Convert.ToChar(num);
}
else if (i == 4)
{
num = 0;
numbers = nricArray[i];
no = numbers.ToString();
num = Convert.ToInt32(no);
num *= 5;
nricArray[i] = Convert.ToChar(num);
}
else if (i == 5)
{
num = 0;
numbers = nricArray[i];
no = numbers.ToString();
num = Convert.ToInt32(no);
num *= 4;
nricArray[i] = Convert.ToChar(num);
}
else if (i == 6)
{
num = 0;
numbers = nricArray[i];
no = numbers.ToString();
num = Convert.ToInt32(no);
num *= 3;
nricArray[i] = Convert.ToChar(num);
}
else if (i == 7)
{
num = 0;
numbers = nricArray[i];
no = numbers.ToString();
num = Convert.ToInt32(no);
num *= 2;
nricArray[i] = Convert.ToChar(num);
}
}
for (int i = 0; i < nricArray.Length; i++)
{
if (i > 0 && i < 8)
{
numbers = nricArray[i];
num = Convert.ToInt32(numbers);
sum += num;
}
}
result = sum % 11;
if (result == 10)
{
if (nricArray[8] == 'A' || nricArray[8] == 'a')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'A'", "Nric Error");
}
}
else if (result == 9)
{
if (nricArray[8] == 'B' || nricArray[8] == 'b')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'B'", "Nric Error");
}
}
else if (result == 8)
{
if (nricArray[8] == 'C' || nricArray[8] == 'c')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'C'", "Nric Error");
}
}
else if (result == 7)
{
if (nricArray[8] == 'D' || nricArray[8] == 'd')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'D'", "Nric Error");
}
}
else if (result == 6)
{
if (nricArray[8] == 'E' || nricArray[8] == 'e')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'E'", "Nric Error");
}
}
else if (result == 5)
{
if (nricArray[8] == 'F' || nricArray[8] == 'f')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'F'", "Nric Error");
}
}
else if (result == 4)
{
if (nricArray[8] == 'G' || nricArray[8] == 'g')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'G'", "Nric Error");
}
}
else if (result == 3)
{
if (nricArray[8] == 'H' || nricArray[8] == 'h')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'H'", "Nric Error");
}
}
else if (result == 2)
{
if (nricArray[8] == 'I' || nricArray[8] == 'i')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'I'", "Nric Error");
}
}
else if (result == 1)
{
if (nricArray[8] == 'Z' || nricArray[8] == 'z')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'Z'", "Nric Error");
}
}
else if (result == 0)
{
if (nricArray[8] == 'J' || nricArray[8] == 'j')
{
valided = true;
}
else
{
valided = false;
System.out.println.out("Your last alphabet should be 'J'", "Nric Error");
}
}
}
catch (FormatException e)
{
System.out.println("Check your NRIC. You may have key it wrongly.", "Error");
}
catch (IndexOutOfRangeException e)
{
System.out.println("Check your NRIC. You may have key it wrongly.", "Error");
}
catch (NullReferenceException e)
{
System.out.printl("Check your NRIC. You may have key it wrongly.", "Error");
}
return nric;
}
} |
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Jan 13th, 2008, 11:36 AM
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#2 |
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Sexy Programmer
Join Date: Nov 2005
Location: New Jersey
Posts: 891
Rep Power: 3
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Re: Help in Converting C# to Java
Convert.ToInt32 is Integer.parseInt(String val) in Java. The type 'char' is not a struct as it is in C# so I would just convert a character to a string by doing:
char c = 'A'; String str = c + "";
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