在Java中深度复制NavigableMap

import java.util.NavigableMap;
import java.util.TreeMap;
import java.io.Serializable;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

NavigableMap<Integer, String> originalMap = new TreeMap<>();
originalMap.put(1, "One");
originalMap.put(2, "Two");
originalMap.put(3, "Three");

public static <K extends Serializable, V extends Serializable> NavigableMap<K, V> deepCopyNavigableMap(NavigableMap<K, V> original) {
    NavigableMap<K, V> copy = null;
    try {
        // 创建字节输出流和对象输出流
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
        ObjectOutputStream objOut = new ObjectOutputStream(byteOut);

        // 将原始NavigableMap对象写入字节输出流
        objOut.writeObject(original);
        objOut.flush();

        // 创建字节输入流和对象输入流
        ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut.toByteArray());
        ObjectInputStream objIn = new ObjectInputStream(byteIn);

        // 从字节输入流中读取复制的NavigableMap对象
        copy = (NavigableMap<K, V>) objIn.readObject();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return copy;
}

NavigableMap<Integer, String> copiedMap = deepCopyNavigableMap(originalMap);
System.out.println("Copied Map: " + copiedMap);