Java 基本数据类型包装类

 基本数据类型包装类.pdf   

public class Text{
    public static void main(String[] args) {
        double[][] d;
        String s = "1,2;3,4,5;6,7,8";
        String[] sFirSt = s.split(";");
        d = new double[sFirSt.length][];
        for(int i=0; i<sFirSt.length; i++) {
            String[] sSecond = sFirSt[i].split(",");
            d[i]=new double[sSecond.length];
            for(int j=0; j<sSecond.length;j++){
                d[i][j] = Double.parseDouble(sSecond[j]);
            }
        }

        for(int i=0; i<d.length;i++){
            for(int j= 0; j<d[i].length;j++){
                System.out.print(d[i][j]+" ");

            }
            System.out.println();
        }
    }

}