public class Int2CharDemo { public static void main(String[] args) { // 將int型別數字8轉換為char型別數字8 int num1 = 8; char ch1 = (char) (num1 + 48); System.out.println("ch1 = " + ch1); // 將char型別數字8轉換為int型別數字8 // 方法一： Character ch2 = "8"; // char是基本資料型別，Character是其包裝型別。 int num2 = Integer.parseInt(ch2.toString()); System.out.println("num2 = " + num2); // 方法二： char ch3 = "8"; int num3 = ch3 - 48; System.out.println("num3 = " + num3); }}