double处理

String s = "1,3;2,3,4;5";

String[] split = s.split(";");
double[][] d;
d = new double[split.length][];
for (int i = 0; i < split.length; i++) {
    String[] split1 = split[i].split(",");
    double[] doubles = new double[split1.length];
    for (int j = 0; j < split1.length; j++) {
        doubles[j]  = Double.parseDouble(split1[j]);
    }
    d[i] = doubles;
}

for (double[] doubles : d) {
    for (double aDouble : doubles) {
       System.out.print(aDouble+" ");
    }
    System.out.println();
}