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                ??一站式輕松地調用各大LLM模型接口,支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻 廣告
                # Java 程序:將`InputStream`轉換為字符串 > 原文: [https://www.programiz.com/java-programming/examples/convert-inputstream-string](https://www.programiz.com/java-programming/examples/convert-inputstream-string) #### 在此程序中,您將學習如何使用 Java 中的`InputStreamReader`將輸入流轉換為字符串。 ## 示例:將`InputStream`轉換為`String` ```java import java.io.*; public class InputStreamString { public static void main(String[] args) throws IOException { InputStream stream = new ByteArrayInputStream("Hello there!".getBytes()); StringBuilder sb = new StringBuilder(); String line; BufferedReader br = new BufferedReader(new InputStreamReader(stream)); while ((line = br.readLine()) != null) { sb.append(line); } br.close(); System.out.println(sb); } } ``` 運行程序時,輸出為: ```java Hello there! ``` 在上述程序中,輸入流是從字符串創建的,并存儲在變量`stream`中。 我們還需要字符串構建器`sb`從流中創建字符串。 然后,我們從`InputStreamReader`創建了一個緩沖讀取器`br`,以從`stream`中讀取行。 使用`while`循環,我們讀取每一行并將其附加到字符串生成器。 最后,我們關閉了`bufferedReader`。 因為,`Reader`可以拋出`IOException`,所以我們在`main`函數中將拋出`IOException`如下: ```java public static void main(String[] args) throws IOException ```
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