为什么过不了?
package zh.codegym.task.task18.task1820;
import java.io.*;
import java.util.*;
/*
数字四舍五入
*/
public class Solution {
public static void main(String[] args) {
BufferedReader reader = null;
Scanner scan = null;
BufferedWriter bs = null;
try{
reader = new BufferedReader(new InputStreamReader(System.in));
String file1 = reader.readLine();
String file2 = reader.readLine();
scan = new Scanner(new FileInputStream(file1));
bs = new BufferedWriter(new FileWriter(file2));
while (scan.hasNext()) {
String str1 = scan.next();
float a = Float.parseFloat(str1);
int i = (int)( a + 0.5);
bs.write(new String(i+" "));
}
}
catch (IOException e){
}
finally{
try {
reader.close();
scan.close();
bs.close();
}
catch (IOException e){
}
}
}
}