public?class?lee1996?{
public?static?void?main(String[]?args)?{
//?TODO?Auto-generated?method?stub
String?str=new?String("hell5a3s");
char?d;
for(int?i=0;i<str.length();i++)
{
?d=str.charAt(i);
?// System.out.println(d);
if(d>='0'&&d<='9'){
System.out.println(d);
int?h=d-'0';
char?d1=str.charAt(i+1);
String?s1=str.substring(0,i);
System.out.println(s1);
String?s2=str.substring(i+1);?
System.out.println(s2);
for(int?j=0;j<h;j++)
{
s1=s1+d1; System.out.println(s1);
}
str=s1+s2;
}
}
System.out.println(str);
}
}
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