square.java

来自「《Java与模式》一书的源代码」· Java 代码 · 共 17 行

package com.javapatterns.liskov.version1;

public class Square
{
    private long side;

    public void setSide(long side)
    {
        this.side = side;
    }

    public long getSide()
    {
        return side;
    }
}