java getname

文件类字符串getName() (File Class String getName())

• This method is available in package java.io.File.getName().

  软件包java.io.File.getName()中提供了此方法。

• This method is used to retrieve or return the filename or directory name and represented by the file path.

  此方法用于检索或返回文件名或目录名，并由文件路径表示。

Syntax:

句法：

    String getName(){
}

Parameter(s):

参数：

We don't pass any object as a parameter in the method of the File.

我们不会在File方法中将任何对象作为参数传递。

Return value:

返回值：

The return type of this method is String that means this method returns the name of file or directory and the name is in string type that's why return type of this method is a string.

该方法的返回类型为String ，这意味着该方法返回文件或目录的名称，并且该名称为字符串类型，这就是该方法的返回类型为字符串的原因。

Java程序演示getName()方法的示例 (Java program to demonstrate example of getName() method)

// import the File class because we will use File class methods
import java.io.File;
//import the Exception class because it may raise an exception 
// when working with files
import java.lang.Exception;
public class GetNameOfFile {
public static void main(String[] args) {
try {
// Specify the path of file and we use double slashes 
// to escape '\' character sequence for windows otherwise 
// it will be considerable as url.
File file = new File("C:\\Users\\computer clinic\\OneDrive\\Articles\\myjava.txt");
// By using getName() we can find the name of the file 
// or directory and file should exists before 
System.out.println("The Name Of The File created is : " + file.getName());
} catch (Exception e) {
System.out.println("An error occurred.");
e.printStackTrace();
}
}
}

Output

输出量

D:\Programs>javac GetNameOfFile.java
D:\Programs>java GetNameOfFile
The Name Of The File created is : C:\Users\computer clinic\OneDrive\Articles\myjava.txt

翻译自: https://www.includehelp.com/java/file-class-string-getname-method-with-example.aspx

java getname