Java 在磁盘中创建文件的三种方式

最新推荐文章于 2023-07-25 10:08:38 发布

原创最新推荐文章于 2023-07-25 10:08:38 发布 · 569 阅读

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import java.io.File;
import java.io.IOException;

/*
演示创建文件
 */
public class FileCreate {
    public static void main(String[] args) {
     create03();
    }

    //方式一 new File(String pathname)
    public static void create01(){
        String filePath = "news1.txt";
        File file = new File(filePath);

        try {
            file.createNewFile();
            System.out.println("文件创建成功");
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    //方式二 new File(File parent,String child) //根据父目录文件+子路径构建
    public static void create02(){
        File parentFile = new File("Data");
        String fileName = "news2.txt";
        File file = new File(parentFile,fileName);
        try {
            file.createNewFile();
            System.out.println("文件创建成功");
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    //方式三 new File(String parent,String child)  //根据父级目录+子目录创建文件
    public static void create03(){
        String parentPath = "Data/";
        String fileName = "news3.txt";
        File file = new File(parentPath,fileName);

        try {
            file.createNewFile();
            System.out.println("文件创建成功");
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}