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package com.jchanghong.json;

import java.io.Serializable;

/**
 * 用于定义null,与Javascript中null相对应
* Java中的null值在js中表示为undefined。 * @author Looly * */ public class JSONNull implements Serializable{ private static final long serialVersionUID = 2633815155870764938L; /** * NULL 对象用于减少歧义来表示Java 中的null
* NULL.equals(null) 返回 true.
* NULL.toString() 返回 "null". */ public static final JSONNull NULL = new JSONNull(); /** * A Null object is equal to the null value and to itself. * 对象与其本身和null值相等 * * @param object An object to test for nullness. * @return true if the object parameter is the JSONObject.NULL object or null. */ @SuppressWarnings("EqualsWhichDoesntCheckParameterClass") @Override public boolean equals(Object object) { return object == null || (object == this); } /** * Get the "null" string value. *获得“null”字符串 * * @return The string "null". */ @Override public String toString() { return "null"; } }




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