Agent skill
java-best-practices
Java 编码最佳实践与设计模式
Install this agent skill to your Project
npx add-skill https://github.com/Leavesfly/Jimi/tree/main/src/main/resources/skills/java-best-practices
SKILL.md
Java 最佳实践技能包
编码规范
命名规范
- 类名：PascalCase（UserService）
- 方法/变量：camelCase（getUserById）
- 常量：UPPER_SNAKE_CASE（MAX_SIZE）
- 包名：小写（com.example.service）
常用设计模式
单例模式（枚举实现）：
public enum Singleton {
INSTANCE;
public void doSomething() {}
}
工厂模式：
public class UserFactory {
public static User createUser(String type) {
return switch (type) {
case "admin" -> new AdminUser();
case "guest" -> new GuestUser();
default -> new RegularUser();
};
}
}
Builder 模式：
User user = User.builder()
.name("张三")
.age(25)
.build();
Stream API
List<String> names = users.stream()
.filter(u -> u.getAge() > 18)
.map(User::getName)
.collect(Collectors.toList());
异常处理
try {
// 业务逻辑
} catch (SpecificException e) {
log.error("Error: {}", e.getMessage(), e);
throw new BusinessException("操作失败");
} finally {
// 清理资源
}
并发编程
ExecutorService executor = Executors.newFixedThreadPool(10);
executor.submit(() -> {
// 异步任务
});
Optional 使用
Optional<User> user = userRepository.findById(id);
return user.orElseThrow(() -> new NotFoundException());
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