Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

public class Main {

    public static void main(String[] args) {
        HashMap<String, String> hm = new HashMap<String, String>();
        hm.put("3", "three");
        hm.put("1", "one");
        hm.put("4", "four");
        hm.put("2", "two");
        printMap(hm);
    }

    public static void printMap(Map<String, String> map) {
        Set<Map.Entry<String, String>> s = map.entrySet();
        Iterator<Map.Entry<String, String>> it = s.iterator();
        while (it.hasNext()) {
            Map.Entry<String, String> entry = (Map.Entry<String, String>) it.next();
            String key = (String) entry.getKey();
            String value = (String) entry.getValue();
            System.out.println(key + " => " + value);
        }
    }
}