# Too long by myself!!!struggling with the space between words,who can help?

• ``````public class Solution {
public String numberToWords(int num) {
if(num==0)
return "Zero";
String  aArray[]={"","One","Two","Three","Four","Five","Six","Seven","Eight","Nine"};
String  bArray[]={"Ten","Eleven","Twelve","Thirteen","Fourteen","Fifteen","Sixteen","Seventeen","Eighteen","Nineteen"};
String  cArray[]={"","","Twenty","Thirty","Forty","Fifty","Sixty","Seventy","Eighty","Ninety"};
String  str=new String();
int tmp,a,b,c,cnt=0;
do{
++cnt;
if(cnt==2){
if(str.length()==0)
str="Thousand"+str;
else
str="Thousand "+str;}
else if(cnt==3){
if(str.length()==0)
str="Million"+str;
else
str="Million "+str;}
else if(cnt==4){
if(str.length()==0)
str="Billion"+str;
else
str="Billion "+str;}
tmp=num%1000;
a=tmp/100;
b=tmp%100/10;
c=tmp%100%10;
if(b==1){
if(cnt==1)
str=bArray[c]+str;
else
str=bArray[c]+" "+str;
if(a!=0)
str=aArray[a]+" Hundred "+str;
num/=1000;
continue;
}
else{
if(str.length()==0)
str=aArray[c]+str;
else
str=aArray[c]+" "+str;
if(b==0||c==0)
str=cArray[b]+str;
else
str=cArray[b]+" "+str;
if(a!=0&&"".equals(str))
str=aArray[a]+" Hundred"+str;
else if(a!=0&&!("".equals(str)))
str=aArray[a]+" Hundred "+str;

}
num/=1000;
}while(num>0);
return str;
}
``````

}

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