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;

public class Main {
    public static void incrementTwoLevelHashMap(HashMap map, String key1, String key2, int n) {
        HashMap map2 = (HashMap) map.get(key1);
        if (map2 == null) {
            map2 = new HashMap();
            map.put(key1, map2);
        }
        incrementHashMap(map2, key2, n);
    }

    public static void incrementHashMap(HashMap map, String key, int n) {
        int count;
        Integer countI = (Integer) map.get(key);
        if (countI == null)
            count = 0;
        else {
            count = countI;
        }
        map.put(key, count + n);
    }
}