get Known Word Rate - Java java.lang

Java examples for java.lang:String Algorithm

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Description

get Known Word Rate

Demo Code


//package com.java2s;

import java.util.List;

public class Main {
    public static void main(String[] argv) {
        List listWord = java.util.Arrays.asList("asdf", "java2s.com");
        List listKnowWord = java.util.Arrays.asList("asdf", "java2s.com");
        System.out.println(getKnowWordRate(listWord, listKnowWord));
    }/*  www  .  j ava  2 s. c  om*/

    /**
     * the rate listKnowWord occur in listWord.
     * @param listWord
     * @param listKnowWord
     * @return rate knew word / all word
     */
    public static double getKnowWordRate(List<String> listWord,
            List<String> listKnowWord) {
        double rate = 0;
        int noOfKnowWord = 0;
        if (listWord.size() == 0) {
            return 0;
        }
        if (listKnowWord.size() == 0) {
            return 1;
        }
        for (String word : listWord) {
            if (listKnowWord.contains(word)) {
                noOfKnowWord++;
            }
        }
        rate = (double) noOfKnowWord / listWord.size();
        return rate;
    }
}

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