MyFile .java:
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import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
public class MyFile {
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++;
}
}
}
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使用:
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public static int imagedate[ ][ ];
MyFile.SaveFile( "d:\\array.txt" ,imagedate);
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以上这篇浅谈java 数据处理(int[][]存储与读取)就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。