创建文件

import java.io.File;

import java.io.IOException;

/* 
*来 自
 时   代     Java  公  众  号 - nowjava.com
*/

public class Main {

  public void m() {

    try {

      File file = new File("filename");


      // Create file if it does not exist

      boolean success = file.createNewFile();

      if (success) {

        // File did not exist and was created

      } else {

        // File already exists

      }

    } catch (IOException e) {

    }

  }//时 代 J a v a 提 供

}