Liam
unknown
java
3 years ago
573 B
8
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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