从文件里取出数据 按行存在一维数组里面 如何存进二维数组 我们方法显示不出来 求教
public static void main(String[] args) throws IOException{
BufferedReader reader=new BufferedReader(new FileReader("d:/data.txt"));
String line1=reader.readLine();
String line2=reader.readLine();
String line3=reader.readLine();
String line4=reader.readLine();
String arr1[]=line1.split(",");
String arr2[]=line2.split(",");
String arr3[]=line3.split(",");
String arr4[]=line4.split(",");
double[] a1=new double[arr1.length];
double[] a2=new double[arr2.length];
double[] a3=new double[arr3.length];
double[] a4=new double[arr4.length];
for (int i = 0; i < a1.length; i++) {
a1[i]=Double.parseDouble(arr1[i]);
}
for (int i = 0; i < a2.length; i++) {
a2[i]=Double.parseDouble(arr2[i]);
}
for (int i = 0; i < a3.length; i++) {
a3[i]=Double.parseDouble(arr3[i]);
}
for (int i = 0; i < a4.length; i++) {
a4[i]=Double.parseDouble(arr4[i]);
}
System.out.print(a4[2]);
int roadInfo[][] = new int[4][3];
for(int j=0;j<2;j++){
roadInfo[0][j]=(int) a1[j];
}
for(int j=0;j<2;j++){
roadInfo[1][j]=(int) a2[j];
}
for(int j=0;j<2;j++){
roadInfo[2][j]=(int) a3[j];
}
for(int j=0;j<2;j++){
roadInfo[3][j]=(int) a4[j];
}
int k=roadInfo[2][3];
System.out.print(roadInfo[2][2]);
}