import java.awt.List;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.Set;
public class Exercise3 {
public static void main(String[] args){
Set
set =
new LinkedHashSet();
String
string =
"aadfsdfdsfdsafafsafsawerewolfasd";
char[] ch =
string.toCharArray();
for(
int i =
0; i < ch.length; i++){
set.add(ch[i]);
}
System.
out.println(
set);
ArrayList list =
new ArrayList(
set);
ArrayList list2 =
new ArrayList();
for(
int i =
0; i < ch.length; i++){
list2.add(ch[i]);
}
for(
int i =
0; i < list.size(); i++){
int n =
0;
for(
int j =
0; j < list2.size(); j++){
if(list.
get(i).equals(list2.
get(j))){
n++;
}
}
System.
out.print(list.
get(i) +
" : " + n +
" . ");
}
}
}
//OutPut:
[a, d, f, s, w, e, r, o, l] a : 7 . d : 5 . f : 7 . s : 6 . w : 2 . e : 2 . r : 1 . o : 1 . l : 1 .
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