package cn.jd.server.basic;

import java.io.File;
import java.io.IOException;

public class HelloWorld {
?? ?public static void main(String[] args) throws IOException {
?? ??? ?System.out.println(System.getProperty("user.dir"));//這是得到工程的路徑
?? ??? ?String path="E:\\myjavacode\\Server_study01\\src\\cn\\jd\\server\\basic\\p.xml";
?? ??? ?File src=new File(path);
?? ??? ?System.out.println(src.getAbsolutePath());//獲得絕對路徑
//?? ??? ?System.out.println(src.getCanonicalPath());
?? ??? ?String filePath = "src/1.txt";
?? ??? ?File file = new File(filePath);
?? ??? ?System.out.println(file.exists());
?? ??? ???????? ?
?? ??? ?try {
?? ??? ??? file.createNewFile();
?? ??? ?} catch (IOException e) {
?? ??? ??? e.printStackTrace();
?? ??? ?}
?? ??? ?
?? ??? ?System.out.println(file.exists());

?? ?}
}