...
package edu.xcdq.demo01;
import java.io.File;
import java.io.IOException;
public class Demo01 {
public static void main(String[] args) throws IOException {
// 1 createNewFile() 创建一个文件(父路径必须要存在)
File file1 = new File("c:/demo01.mp4");
file1.createNewFile();
...
//2 mkdir()创建以后个文件夹(父路径必须要存在)
File file2 = new File("c:/demo1");
boolean res = file2.mkdir();
System.out.println(res);
...
// 3 mkdirs 创建多个文件夹(父路径不存在，则帮忙创建出来)
File file3 = new File("c:/demo20/demo2.1");
boolean res3 = file3.mkdirs();
System.out.println(res3);
...
// 4 delete()删除文件和空目录
file1.delete();
file2.delete();
...
//5 renameTo() 移动文件位置
File file5 = new File("C:\\demo5.1\\1.txt");
boolean res5 = file3.renameTo(new File("e:/1_back.txt"));
System.out.println(res5);
...
// 6 exists() isFile() isDirectory() getPath()
System.out.println(file1.exists());
System.out.println(file2.exists());
// 7 isFile() isDirectory() getPath()
System.out.println(file1.isFile());
System.out.println(file2.isFile());
System.out.println(file1.isDirectory());
System.out.println(file2.isDirectory());
...
// 8 getPath()获取路径
System.out.println(file5.getPath());
}
...
}
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