Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.util.HashMap;

import java.util.LinkedList;
import java.util.Map;

public class Main {

    public static String[] intersect(String[] arr1, String[] arr2) {
        Map<String, Boolean> map = new HashMap<>();
        LinkedList<String> list = new LinkedList<>();
        for (String str : arr1) {
            if (!map.containsKey(str)) {
                map.put(str, Boolean.FALSE);
            }
        }

        for (String str : arr2) {
            if (map.containsKey(str)) {
                map.put(str, Boolean.TRUE);
            }
        }

        for (Map.Entry<String, Boolean> e : map.entrySet()) {
            if (e.getValue().equals(Boolean.TRUE)) {
                list.add(e.getKey());
            }
        }
        String[] result = {};
        return list.toArray(result);
    }
}