kotlin const val和val转java

stevenzqzq

于 2025-03-18 13:56:12 发布

阅读量122

点赞数 3

文章标签： java kotlin 数据库

本文链接：https://blog.youkuaiyun.com/qq_26296197/article/details/146339957

版权


1.1
object AppConstants {
    const val DATABASE_VERSION = 3
    const val DATABASE_NAME = "app.db"
}


1.2

public final class AppConstants {
   @NotNull
   public static final AppConstants INSTANCE = new AppConstants();
   public static final int DATABASE_VERSION = 3;
   @NotNull
   public static final String DATABASE_NAME = "app.db";

   private AppConstants() {
   }
}



-----
2.1
object AppConstants {
     val DATABASE_VERSION = 3
     val DATABASE_NAME = "app.db"
}


2.2
public final class AppConstants {
   @NotNull
   public static final AppConstants INSTANCE = new AppConstants();
   private static final int DATABASE_VERSION = 3;
   @NotNull
   private static final String DATABASE_NAME = "app.db";

   private AppConstants() {
   }

   public final int getDATABASE_VERSION() {
      return DATABASE_VERSION;
   }

   @NotNull
   public final String getDATABASE_NAME() {
      return DATABASE_NAME;
   }
}