counting repeated characters in a string in java
void Findrepeter(){
    String s="mmababctamantlslmag";
    int distinct = 0 ;
    for (int i = 0; i < s.length(); i++) {
        for (int j = 0; j < s.length(); j++) {
            if(s.charAt(i)==s.charAt(j))
            {
                distinct++;
            }
        }   
        System.out.println(s.charAt(i)+"--"+distinct);
        String d=String.valueOf(s.charAt(i)).trim();
        s=s.replaceAll(d,"");
        distinct = 0;
    }
}