Counting Character Appearances in a String

package array;

public class Character_count {

        public static void main(String[] args) {

            String s="Gunasekaran";     
            char[]c=s.toCharArray();

                for(int j=0;j<c.length;j++) {

                    char key=c[j];
                    int count=1;

                    if (key == '*') {
                        continue;
                    }


                for(int i=j+1; i<c.length; i++) {

                    if(key==c[i]) {

                        c[i]='*';
                        count++;
                    }

                }   


                System.out.println(key+"appears"+ count);


                }


        }
}

.........................................................................

OUTPUT:

G Appears 1 Times
u Appears 1 Times
n Appears 2 Times
a Appears 3 Times
s Appears 1 Times
e Appears 1 Times
k Appears 1 Times
r Appears 1 Times

                 FINDING THE CHARACTER WHICH HAS THE ONE COUNT VALUE

package array;

public class Character_count {

        public static void main(String[] args) {

            String s="Gunasekaran";     
            char[]c=s.toCharArray();

                for(int j=0;j<c.length;j++) {

                    char key=c[j];
                    int count=1;

                    if (key == '*') {
                        continue;
                    }


                for(int i=j+1; i<c.length; i++) {

                    if(key==c[i]) {

                        c[i]='*';
                        count++;
                    }

                }   

                if (count == 1) { // using this condition for printing character has one count value 

                System.out.println(key+ " Appears "+ count+ " Times");
                }

                }


        }
}

.........................................................................

OUTPUT:

G Appears 1 Times
u Appears 1 Times
s Appears 1 Times
e Appears 1 Times
k Appears 1 Times
r Appears 1 Times