Java - Write code to convert string splitted by space To Set

Requirements

Write code to convert string splitted by space To Set

Demo

//package com.book2s;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

public class Main {
    public static void main(String[] argv) {
        String string = "b o o k 2 s.com";
        System.out.println(stringToSet(string));
    }//from w w  w  .j  ava  2  s  .c om

    public static Set<String> stringToSet(String string) {
        Set<String> res = new HashSet<String>();
        if (string != null && !string.equals("")) {
            res.addAll(Arrays.asList(string.split(" ")));
        }
        return res;
    }
}

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