Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Main {
    public static <K, V> Map<K, V> mutableDeepCopyOfMap(Map<K, V> src) {
        Map<K, V> result = new HashMap<K, V>();
        for (K key : src.keySet()) {
            result.put(key, (V) deepCopyIfNeeded(src.get(key)));
        }
        return result;
    }

    static Object deepCopyIfNeeded(Object obj) {
        if (obj instanceof Map) {
            return mutableDeepCopyOfMap((Map) obj);
        }
        if (obj instanceof List) {
            return mutableDeepCopyOfList((List) obj);
        }
        return obj;
    }

    public static <V> List<V> mutableDeepCopyOfList(List<V> src) {
        List<V> result = new ArrayList<V>();
        for (V val : src) {
            result.add((V) deepCopyIfNeeded(val));
        }
        return result;
    }
}