wap to input a natural number less than and display it in words. test your prog

wap to input a natural number less than and display it in
words. test your program on the sample data and some random
data
sample input= 29
sample output= Twenty nine
sample input=17001
sample output= out of range
sample input=119
sample output =one hundred and nineteen
sample input=500
sample output=five hundred

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wap to input a natural number less than and display it in words. test your program on the sample da..

Answer / megha

import java.io.*;
class Program1
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
String str="",str1="",str2="";
int h=0,t=0,u=0,i=0,n;
public void takeNumber() throws Exception
{
System.out.println("\nEnter the number:");
n=Integer.parseInt(br.readLine());
if(n<1 || n>999)
{
System.out.println("\nINVALID ENTRY:");
return;
}
while(true)
{
if(i==0)
u=n%10;
else if(i==1)
t=n%10;
else if(i==2)
h=n%10;
i++;
n=n/10;
if(n==0)
break;
}
if(h!=0)
str=word1(h)+ " HUNDRED ";
if(t>1)
str1= word2(t);
if(t==1)
str2= word3(u);
else
str2=word1(u);
if(!str1.equals("") || !str2.equals(""))
str=str+ "AND ";
if(!str1.equals(""))
str=str+ str1+ " ";
if(!str2.equals(""))
str=str+ str2;
System.out.println(str);
}
String word1(int x)
{
String s="";
switch(x)
{
case 1:
s="ONE";
break;
case 2:
s="TWO";
break;
case 3:
s="THREE";
break;
case 4:
s="FOUR";
break;
case 5:
s="FIVE";
break;
case 6:
s="SIX";
break;
case 7:
s="SEVEN";
break;
case 8:
s="EIGHT";
break;
case 9:
s="NINE";
break;
}
return s;
}
String word2(int x)
{
String s="";
switch(x)
{
case 2:
s="TWENTY";
break;
case 3:
s="THIRTY";
break;
case 4:
s="FOURTY";
break;
case 5:
s="FIFTY";
break;
case 6:
s="SIXTY";
break;
case 7:
s="SEVENTY";
break;
case 8:
s="EIGHTY";
break;
case 9:
s="NINETY";
break;
}
return s;
}
String word3(int x)
{
String s="";
switch(x)
{
case 0:
s="TEN";
break;
case 1:
s="ELEVEN";
break;
case 2:
s="TWELVE";
break;
case 3:
s="THIRTEEN";
break;
case 4:
s="FOURTEEN";
break;
case 5:
s="FIFTEEN";
break;
case 6:
s="SIXTEEN";
break;
case 7:
s="SEVENTEEN";
break;
case 8:
s="EIGHTEN";
break;
case 9:
s="NINETEEN";
break;
}
return s;
}

public static void main(String args[]) throws Exception
{
Program1 ob=new Program1();
ob.takeNumber();
}
}

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