import java.io.*;public class Text{ public static void main(String[] args){ try{ FileInputStream file = new FileInputStream("D:\\Text\\遍历目录\\FileTest.java"); int b; int a = 1; while((b=(int)file.read())!= -1){ if( b <= 0xf){ System.out.print(0); } System.out.print(Integer.toHexString(b)+" "); if(a++ % 10 == 0) System.out.println(); } file.close(); }catch(IOException e){ e.printStackTrace(); } }}
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