Liam
unknown
java
4 years ago
573 B
12
Indexable
public String add_toZahl(String zahl){
char ch[]=zahl.toCharArray();
String rev="";
for(int i=ch.length-1;i>=0;i--){
rev+=ch[i];
}
char rc[]=rev.toCharArray();
String output = "";
for(int i=0;i<rc.length;i++){
output+=rc[i];
if(i%3==2){
output+="_";
}
}
char fc[]=output.toCharArray();
String FinalStr = "";
for(int i= fc.length-1;i>=0;i--){
FinalStr += fc[i];
}
return FinalStr;
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