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Displaying Source Code(s)
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Program for converting numbers in a file to corresponding words.
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import java.io.*;
import java.lang.*;
class NumToWords
{
public static void main(String a[]) throws IOException
{
String s="";
BufferedReader br=new BufferedReader(new
InputStreamReader(System.in));
System.out.print("Enter filename : ");
try
{
s=br.readLine();
}catch(Exception e){}
InputStream in=new FileInputStream(s);
MyInputStream mis=new MyInputStream(in);
mis.changeNumbers();
in.close();
mis.close();
}
}
class MyInputStream extends FilterInputStream
{
InputStream is;
MyInputStream(InputStream in)
{
super(in);
is=in;
}
public void changeNumbers() throws IOException
{
PushbackInputStream pis;
String num="";
char ch;
int c;
pis=new PushbackInputStream(is);
while((c=pis.read())!=-1)
{
ch=(char)c;
if('0'<=ch&&ch<='9')
{
num="";
while('0'<=ch&&ch<='9'&&c!=-1)
{
num=num+ch;
c=pis.read();
ch=(char)c;
}
System.out.print(MyInputStream.process(num));
pis.unread(ch);
}
else
System.out.print(ch);
}
}
static String process(String str)
{
String a1[]={"One","Two","Three","Four","Five","Six","Seven","Eight","Nine"};
String a2[]={"Twenty","Thirty","Fourty","Fifty","Sixty","Seventy","Eighty","Ninety"};
String a3[]={"Ten","Eleven","Twelve","Thirteen","Fourteen","Fifteen","Sixteen","Seventeen","Eighteen","Nineteen"};
String a4[]={"Hundered","Thousand","Lakhs","Crores"};
int num=0;
try
{
num=Integer.parseInt(str);
}catch(Exception e){}
if(num==0)
return "Zero";
int n,n1;
String ans="";
String ans1="";
n1=num%10;
num=num/10;
if(n1!=0)
ans=a1[n1-1];
if(num>0)
{
n=num%10;
num=num/10;
if(n==1)
ans=a3[n1];
else if(n!=0)
ans=a2[n-2]+" "+ans;
}
if(num>0)
{
n=num%10;
num=num/10;
if(n!=0)
ans=a1[n-1]+" "+a4[0]+" "+ans;
}
for(int i=1;num>0;i++)
{
n1=num%10;
num=num/10;
if(n1!=0)
ans1=a1[n1-1];
if(num>0)
{
n=num%10;
num=num/10;
if(n==1)
ans1=a3[n1];
else if(n!=0)
ans1=a2[n-2]+" "+ans1;
}
ans=ans1+" "+a4[i]+" "+ans;
ans1="";
}
return(ans);
}
} |
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123
Eng