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java 二维数组转换公共方法

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把int,long,double类型的二维数组转换成string类型的二维数组

不想分别写三个方法去做这件事,怎么写一个通用方法

public String[][] stringify(Object类型?) {
    
}

试过java 8 stream,但是stream里的数据流只能是一个元素,flatmap之后再转就没法还原成二维数组了


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如果一个类中有多个具有相同名称但参数不同的方法,则称为方法重载


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