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                # Java – 寫入臨時文件 > 原文: [https://howtodoinjava.com/java/io/write-data-to-temporary-file-in-java/](https://howtodoinjava.com/java/io/write-data-to-temporary-file-in-java/) **在某些情況下,可能需要將數據寫入 Java 中的臨時文件**。 因此,讓我們快速寫下一些示例代碼。 ## 使用`java.io.BufferedWriter`將數據寫入臨時文件 此示例是最簡單的解決方案,并使用`BufferedWriter`編寫內容。 ```java import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.io.IOException; public class TemporaryFileExample { public static void main(String[] args) { File temp; try { temp = File.createTempFile("myTempFile", ".txt"); //write data on temporary file BufferedWriter bw = new BufferedWriter(new FileWriter(temp)); bw.write("This is the temporary data written to temp file"); bw.close(); System.out.println("Written to Temp file : " + temp.getAbsolutePath()); } catch (IOException e) { e.printStackTrace(); } } } ``` ## 使用 NIO 將數據寫入臨時文件 如果要使用 Java NIO 庫,則可以使用`Files.write()`方法。 ```java public class TemporaryFileExample { public static void main(String[] args) { try { final Path path = Files.createTempFile("myTempFile", ".txt"); System.out.println("Temp file : " + path); //Writing data here byte[] buf = "some data".getBytes(); Files.write(path, buf); //Delete file on exit path.toFile().deleteOnExit(); } catch (IOException e) { e.printStackTrace(); } } } ``` **祝您學習愉快!**
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