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magic-tools 是一个小而全的Java工具类库,通过静态方法封装,降低相关API的学习成本,提高工作效率,使Java拥有函数式语言般的优雅,让Java语言也可以“甜甜的”。
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package com.magictools.json;
import com.magictools.core.util.StrUtil;
import java.io.Serializable;
/**
* 用于定义{@code null},与Javascript中null相对应
* Java中的{@code null}值在js中表示为undefined。
*
* @author Looly
*/
public class JSONNull implements Serializable {
private static final long serialVersionUID = 2633815155870764938L;
/**
* {@code NULL} 对象用于减少歧义来表示Java 中的{@code null}
* {@code NULL.equals(null)} 返回 {@code true}.
* {@code NULL.toString()} 返回 {@code "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{@code 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 StrUtil.NULL;
}
}
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