创建文件并使用if语句检查创建是否成功

//from 时代Java

import java.io.File;

import java.io.IOException;


public class Main {

  public static void main(String[] arg) throws IOException {

    File f = new File("c:/myfile.txt");


    if (f.createNewFile())

      System.out.println("File created.");

    else

      System.out.println("File could not be created.");


  }

}