Your code has several issues, including syntax errors, indentation problems, and incorrect method overrides. Below is the corrected version of your code: ```java package p1; interface TripleDES { void jiami(String s); } class KeyGenerator implements TripleDES { @Override public void jiami(String s) { System.out.println("经钢生成器加密: " + s); } } class Cipher implements TripleDES { @Override public void jiami(String s) { System.out.println("密码器加密: " + s); } } class Factory { public static TripleDES create(int a) { if (a == 0) { return new KeyGenerator(); } else if (a == 1) { return new Cipher(); } else { return null; } } } ``` Explanation of Changes: 1. Interface Name: Changed `tripledes` to `TripleDES` to follow Java naming conventions. 2. Method Override: Corrected the `@Override` annotation placement and fixed the method signature for `jiami`. 3. String Concatenation: Fixed the string concatenation in the `System.out.println` statements. 4. Factory Method: Corrected the `create` method in the `Factory` class to use proper equality checks (`==` instead of `-`). 5. Indentation and Formatting: Improved the overall formatting and indentation for better readability. Usage Example: Here's an example of how you might use the `Factory` class to create instances of `TripleDES` and call the `jiami` method: ```java public class Main { public static void main(String[] args) { TripleDES keyGen = Factory.create(0); if (keyGen != null) { keyGen.jiami("Hello, World!"); } TripleDES cipher = Factory.create(1); if (cipher != null) { cipher.jiami("Hello, World!"); } } } ``` This will output: ``` 经钢生成器加密: Hello, World! 密码器加密: Hello, World! ``` [2024-11-01 16:41:09 | AI写代码神器 | 446点数解答]