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 | try This and good lack: public static void main(String[] args) { String returnedString=""; StringBuffer st= new StringBuffer("aannjn"); int pos=0; int times=0; String str=st.toString(); while(st.length()>0){ char ch=st.charAt(0); times=0; int max=str.length(); while((pos=str.indexOf(ch))!=-1 ){ times++; st.deleteCharAt(pos); str=st.toString(); } returnedString+=ch +":"+ times+"\n"; } System.out.println(returnedString);// } } // imputs: a:2 n:3 j:1  |
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