java - 数组中的最小值一直打印 0？ Java(但 .txt 文件中没有零作为数字)

Question

除了最小值，我的下面代码工作正常。我不明白为什么最小值一直打印为零？它从中提取的 .txt 文件中的数字是:2 6 9 35 2 1 8 8 4。就好像它没有识别出数字 [0] = 2。但是 max 工作正常并且它的相同代码只是颠倒了？感谢您的帮助。

import java.io.*;

import java.util.*;

class Thirteen{
   public static void main(String [] args) throws IOException{

      int count = 0;

      Scanner keys = new Scanner(System.in);
      Scanner keystwo;

      System.out.println("Please enter an input file name");
      String filename = keys.next();
      File infile = new File(filename);
      keystwo = new Scanner(infile);

      System.out.println("Please enter an output filename");
      String outputfile = keys.next();
      File outfile = new File(outputfile);

      FileOutputStream outstream = new FileOutputStream(outfile);
      PrintWriter display = new PrintWriter(outstream);


      while(keystwo.hasNext()){

         count++;
         int numbers [] = new int [count];
         int max = numbers[0];
         int min = numbers[0];
         int average = 0 ;
         int sum = 0;
         int counttwo = 0;

         while(keystwo.hasNext()){ 
            counttwo++;
            //add numbers to array
            for(int A = 0; A < numbers.length; A++){
               numbers[A] = keystwo.nextInt();
               sum = sum+ numbers[A]; 
               }
            // output numbers into txt file
            for(int item : numbers){
               display.println(item); 
               }
            for(int C: numbers){          
               if(C < min){
                  min = C;
                  }
               }   
            for(int B : numbers){
               if(B > max){
                  max = B;
                    }
                 }

            average = sum / counttwo;
      }//end while

      System.out.println("The total numbers in the array: " + counttwo ); 
      System.out.println("The maximum value is: " + max); 
      System.out.println("The minimum value is: " + min);
      System.out.println("The average value is: " + average);
      display.println("The total numbers in the array: " + counttwo ); 
      display.println("The maximum value is: " + max); 
      display.println("The minimum value is: " + min);
      display.println("The average value is: " + average);
      }//end first while

   keystwo.close();

   display.close();

   }
}//end

Answer 1

这是因为您的 min 起始值将为 0。相反，将其设置为 Integer.MAX_VALUE，您将获得合适的最小值。