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                # Java 程序:`int`到`char`的轉換 > 原文: [https://beginnersbook.com/2019/04/java-int-to-char-conversion/](https://beginnersbook.com/2019/04/java-int-to-char-conversion/) 在上一個教程中,我們討論了[`char`到`int`轉換](https://beginnersbook.com/2019/04/java-char-to-int-conversion/)。在本指南中,我們將看到如何借助示例將`int`轉換為`char`。 ## `int`到`char`轉換示例 要將更高的數據類型轉換為更低的數據類型,我們需要進行類型轉換。由于`int`是比`char`(2 字節)更高的數據類型(4 字節),因此我們需要為轉換明確地對`int`進行類型轉換。 ```java //implicit type casting - automatic conversion char ch = 'A'; // 2 bytes int num = ch; // 2 bytes to 4 bytes /* explicit type casting - no automatic conversion * because converting higher data type to lower data type */ int num = 100; //4 bytes char ch = (char)num; //4 bytes to 2 bytes ``` 讓我們舉個例子。 在下面的示例中,我們有一個值為 70 的整數`num`,我們通過進行類型轉換將其轉換為`char`。 ```java public class JavaExample{ public static void main(String args[]){ //integer number int num = 70; //type casting char ch = (char)num; System.out.println(ch); } } ``` **輸出:** ![Java int to char conversion](https://img.kancloud.cn/e7/a6/e7a6fdbaf6e62170af860c77b67c048b_716x574.jpg)
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