debug8_3.java

来自「程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件」· Java 代码 · 共 28 行

package questions.c8;
import java.io.*;
public class Debug8_3 {
   public static void main( String[] args )
         throws IOException {
      if ( args.length >= 1 ) {
         Reader  input;
         StreamTokenizer st;
         input = new FileReader( args[0] );
         st = new StreamTokenizer( input );
         try {
            while ( st.moreTokens() ) {
               System.out.println( "token = "
                                   + st.getNext() );
            }
         }
         catch( IOException iox ) {
            System.out.println( iox );
         }
         finally {
            input.close();
         }
      } else {
         System.err.println( "Usage is "
                             + "<input_file>" );
      }
   }
}