usefile.java
来自「清华大学辛运帏java程序设计第二版源代码」· Java 代码 · 共 12 行
JAVA
12 行
import java.io.*;
class UseFile{
public static void main(String args[]){
File f = new File("/export/home/d.Java");
System.out.println("The file is exists?-->"+f.exists());
System.out.println("The file can write?-->"+f.canWrite());
System.out.println("The file can read? -->"+f.canRead());
System.out.println("The file is a file?-->"+f.isFile());
System.out.println("The file is a directory?-->"+f.isDirectory());
System.out.println("The file is absolute path?-->"+f.isAbsolute());
System.out.println("The file
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?