Java：如何使这个Serializable？ [英] Java: How to make this Serializable?

问题描述

我需要以下类是Serializable。

I need the following class to be Serializable.

package helpers;

public class XY implements Comparable<XY>
{
    public int x;
    public int y;

    public XY (int x, int y)
    {
        this.x = x;
        this.y = y;
    }

    public int compareTo( XY other ) 
    {
        String compare1 = this.x + "-" + this.y;
        String compare2 = other.x + "-" + other.y;

        return compare1.compareTo( compare2 );
    }

    public String toString()
    {
        return this.x + "-" + this.y;
    }

}

截至目前，我可以' t将它作为一个带有outputstream的对象发送。我试图实现Serializable，但是没有用。

As of now, I can't send it as an object with outputstream..I´ve tried to implement Serializable, but that didn't work.

推荐答案

实现 Serializable 将执行操作，但您必须使用 ObjectOutputStream ，而不仅仅是一个OutputStream。

Implementing Serializable will do the trick, but you must write the object with an ObjectOutputStream, not just an OutputStream.

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