lineclass.java

来自「Line, Poin, and Rectangle Class」· Java 代码 · 共 32 行

package project1;

public class LineClass extends PointClass {

    private double l_size;

    public LineClass ()

        {    }

    public LineClass( int xValue, int yValue, double l_sizeValue)
    {
        x = xValue;
        y = yValue;
        setLength (l_sizeValue);
    }

    public void setLength (double l_sizeValue)
    {
        l_size = (l_sizeValue <0.0 ? 0.0 : l_sizeValue);
    }

    public double getLength()
    {
        return l_size;
    }

    public String toString()
    {
        return "     Length of the line: " + l_size;
    }
}