test.java

来自「一个简单有效的CMM语言的词法分析器,带图形界面」· Java 代码 · 共 21 行

import java.io.*;

public class test
{
	public static void  main(String [] args)
 	{
          try{
	  BufferedReader in = new BufferedReader(new FileReader("test.cpp"));
   	  String line;
	  while((line = in.readLine())!=null)
 	  {
		System.out.println(line);
 	  }
 	  }catch(Exception e){System.out.println("can't open file");}
          String s = "youareagood";
	  String b = s.substring(1,3);
	  System.out.println(b);
	}
}