浅谈java 数据处理(int[][]存储与读取)

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
public class MyFile {

public static void SaveFile(String filename,int[][] arr){
 try {
 File file = new File(filename); //存放数组数据的文件
 FileWriter out = new FileWriter(file); //文件写入流
 try {
 getRecord(out,arr);
 } catch (Exception e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 } 
 out.close(); 
} catch (Exception ex) {
ex.printStackTrace();
}
} 
private static void getRecord(FileWriter out,int[][] arr)
throws Exception {
 //将数组中的数据写入到文件中。每行各数据之间TAB间隔
 for(int i=0;i<arr.length;i++){
 for(int j=0;j<arr[0].length;j++){
  out.write(arr[i][j]+"\t");
 }
 out.write("\r\n");
 } 
} 

public static void ReadFile(String filename,int[][] arr2){
 try {
File file = new File(filename); //存放数组数据的文件
 BufferedReader in = new BufferedReader(new FileReader(file)); //
 
 try {
 readRecord(in,arr2);
 } catch (Exception e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 } 
 in.close(); 
} catch (Exception ex) {
ex.printStackTrace();
}
}

private static void readRecord(BufferedReader in,int[][] arr2)
throws Exception {
String line; //一行数据
 int row=0;
 //逐行读取，并将每个数组放入到数组中
 while((line = in.readLine()) != null){
  String[] temp = line.split("\t"); 
  for(int j=0;j<temp.length;j++){
//   arr2[row][j] = Double.parseDouble(temp[j]);
  arr2[row][j] = Integer.parseInt(temp[j]);
  }
  row++;
 }
} 
}

public static int imagedate[ ][ ];
MyFile.SaveFile("d:\\array.txt",imagedate);