Calculating frequency of each word in a sentence in java

Question

I am writing a very basic java program that calculates frequency of each word in a sentence so far i managed to do this much

import java.io.*;

class Linked         


        

Answer 1

    String s[]=st.split(" ");
    String sf[]=new String[s.length];
    int count[]=new int[s.length];
    sf[0]=s[0];
    int j=1;
    count[0]=1;
    for(int i=1;i=0)
        {

            if(s[i].equals(sf[t]))
            {
                count[t]++;
                break;
            }
            t--;
        }
        if(t<0)
        {
            sf[j]=s[i];
            count[j]++;
            j++;
        }
    }