java创建一个新文件

The task is to create a new empty file in Java.

任务是用Java创建一个新的空文件。

Creating a new empty file

创建一个新的空文件

To create a new empty file in java – we use of "File" class. The is called with the File object which should be initialized with the file name (and path if you want to specify).

要在Java中创建一个新的空文件，我们使用“ File”类的 。 用File对象调用 ，该对象应使用文件名(和路径(如果要指定)初始化)。

The returns a Boolean value if file created successfully it returns "true" otherwise it returns "false".

如果文件创建成功，则将返回一个布尔值，它将返回“ true”，否则将返回“ false”。

Package to use: import java.io.*;

要使用的包： import java.io. *;

Syntax:

句法：

//file object creation    File file = new File("D://sample.txt");    //file creation    file.createNewFile();    Output:    true

Java代码创建一个新的空文件 (Java code to create a new empty file)

//Java code to create a new empty fileimport java.io.*;public class Main {
   	public static void main(String[] args) {
   		//creating file object		File file = new File("sample.txt");		//following syntax can be used to define 		//path (D://sample.txt) also		//File file = new File("D://sample.txt");		//variable to store result		//'true' - file created successfully		//'false' - file is not created successfully		boolean result = false;		try {
   		result = file.createNewFile();			System.out.println(file.getPath() + " created successfully...");		} catch (IOException exp) {
   			System.out.println("Error while creating file: " + exp);		}	}}

Output

输出量

sample.txt created successfully...

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java创建一个新文件