ex1) java.io.*

/*

import java.io.*;

public class IOpakage01 {

public static void main(String[] args) {

File f1=new File("C:\\java_pm\\doc\\JAVA_PM\\120305\\IOstream_1.pdf");//객체정의

//Flie 에 객체가 만들어지고 f1이  위치값을 받는다.

System.out.println(f1.canRead());

System.out.println(f1.canWrite());

System.out.println(f1.exists());

}

}**/

import java.io.*;

public class IOpakage01 {

public static void main(String[] args) {

File f1 =new File("C:\\java_pm\\doc\\JAVA_PM\\120305\\");

File f2 =new File(f1,"IOstream_1.pdf");

System.out.println(f1.canRead());

System.out.println(f1.canWrite());

System.out.println(f1.exists());

//f1.list();

String str[]=f1.list();

for(int i = 0; i<str.length; i++){ 

System.out.println(str[i]);

System.out.println(str[i]+"" +str[i].length()); 

}

}

}