Finding repeated words on a string and counting the repetitions

Question

I need to find repeated words on a string, and then count how many times they were repeated. So basically, if the input string is this:

String s = \"House, House         


        

Answer 1

please try these it may be help for you.

public static void main(String[] args) {
        String str1="House, House, House, Dog, Dog, Dog, Dog";
        String str2=str1.replace(",", "");
        Map map=findFrquenciesInString(str2);
        Set keys=map.keySet();
        Collection vals=map.values();
        System.out.println(keys);
        System.out.println(vals);
    }

private static Map findFrquenciesInString(String str1) {
        String[] strArr=str1.split(" ");
        Map map=new HashMap<>();
        for(int i=0;i1 && strArr[i]!="-1") {
                map.put(strArr[i], count);
                strArr[i]="-1";
            }
        }
        return map;
    }