mypoint.java

来自「包含了模式识别中常用的一些分类器设计算法」· Java 代码 · 共 85 行

/*
 * file: MyPoint.java
 * 
 * last editted: Ryan Irwin
 */

// import necessary java libraries
//

//These imports are not needed - Phil T. 6-23-03
//import java.awt.*;
//import javax.swing.*;
//import java.util.*;

/**
 * implement the equivalent of the AWT class points except this can use
 * floation point numbers fromt he time domain
 *
 */
class MyPoint 
{

    // *********************************************************************
    //
    // declare global variables and components
    //
    // *********************************************************************

    // declare class members
    //
    public double x = 0.0;
    public double y = 0.0;
    
    // *********************************************************************
    //
    // declare class constructors
    //
    // *********************************************************************
   
    /**
     * constructor initializes the x and y co-odinates to 0.0
     *
     */
    MyPoint() 
    {
	x = 0.0;
	y = 0.0;
    }

    /**
     * constructor initializes the x and y co-odinates
     *
     * @param    xval double x co-odinate value
     * @param    yval double y co-odinate value
     *
     */
    MyPoint(double xval, double yval) 
    {
	x = xval;
	y = yval;
    }

    /**
     * constructor initializes the x and y co-odinates
     *
     * @param point MyPoint value to be initialized to object
     */
    MyPoint(MyPoint point) 
    {
	x = point.x;
	y = point.y;
    }

    /**
     * Converts point to string values
     *
     * @return   string conversion of x and y co-ordinates
     *
     */
    public String toString() 
    { 
	return "[" + x + "," + y + "]";
    }
}