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–½Äº°ÀÚ: [a-z] [a-z0-9]*
–Á¤¼ö: [1-9][0-9]*
•Ãâ·Â¿¹
>> java MyTokenizer input.txt
a0987: ½Äº°ÀÚÀÔ´Ï´Ù.
44593: Á¤¼öÀÔ´Ï´Ù.
if: ÁöÁ¤¾îÀÔ´Ï´Ù.
ÀÚ¹Ù¿¡¼ ÆÄÀÏ ÀÔ·ÂÀ» ¹Þ´Â ÀϹÝÀûÀÎ ÇüÅ´ ´ÙÀ½°ú °°´Ù
import java.io.*;
public class MyTokenizer {
public static void main(String[] args) throws IOException
{
InputStream in = new FileInputStream(arg[0]);
int c;
¡¦
while (( c = in.read()) != -1)
System.out.write(c);
¡¦
}