Java 學習筆記~2維陣列變數

class Data

{

    // 宣告x為2維陣列

    private  static int x[][]=new int[2][];

    private static double  w[]=new double [2];

    public static void setX(int[][] aX) { x = aX; }

    public static int[][] getX() {  return x;    }   

    public static double[] getW() {return w; }

    public static void setW(double[] aW) {w = aW;   }   

   

}

public class preceptron {

    /**

     * @param args the command line arguments

     */

    public static void main(String[] args) {

        // TODO code application logic here

         //x 為一4x2 陣列

        int x[][]={{0,0},{0,1},{1,0},{1,1}};    

        double w[][]={{0.5,0.5}};      

        int i,j;       

        Data.setX(x);

        for (i=0;i<4;i++)

        {

             for (j=0;j<2;j++)  

                 System.out.print(Data.getX()[i][j]);

                 System.out.println();

        }

   /* Data.setW(w[0]);

    for (j=0;j<2;j++)

    System.out.println(Data.getW()[j]);    */

    }

}