diff --git a/app/src/main/java/ru/myitschool/work/data/local/CredentialsLocalDataSource.java b/app/src/main/java/ru/myitschool/work/data/local/CredentialsLocalDataSource.kt
similarity index 100%
rename from app/src/main/java/ru/myitschool/work/data/local/CredentialsLocalDataSource.java
rename to app/src/main/java/ru/myitschool/work/data/local/CredentialsLocalDataSource.kt
diff --git a/app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.java b/app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.kt
similarity index 100%
rename from app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.java
rename to app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.kt
diff --git a/app/src/main/java/ru/myitschool/work/ui/login/LoginViewModel.java b/app/src/main/java/ru/myitschool/work/ui/login/LoginViewModel.kt
similarity index 100%
rename from app/src/main/java/ru/myitschool/work/ui/login/LoginViewModel.java
rename to app/src/main/java/ru/myitschool/work/ui/login/LoginViewModel.kt
diff --git a/app/src/main/java/ru/myitschool/work/ui/profile/UserFragment.java b/app/src/main/java/ru/myitschool/work/ui/profile/UserFragment.kt
similarity index 100%
rename from app/src/main/java/ru/myitschool/work/ui/profile/UserFragment.java
rename to app/src/main/java/ru/myitschool/work/ui/profile/UserFragment.kt
diff --git a/app/src/main/java/ru/myitschool/work/ui/profile/UserViewModel.java b/app/src/main/java/ru/myitschool/work/ui/profile/UserViewModel.kt
similarity index 100%
rename from app/src/main/java/ru/myitschool/work/ui/profile/UserViewModel.java
rename to app/src/main/java/ru/myitschool/work/ui/profile/UserViewModel.kt
diff --git a/app/src/main/java/ru/myitschool/work/ui/qr/result/QrResultFragment.java b/app/src/main/java/ru/myitschool/work/ui/qr/result/QrResultFragment.kt
similarity index 100%
rename from app/src/main/java/ru/myitschool/work/ui/qr/result/QrResultFragment.java
rename to app/src/main/java/ru/myitschool/work/ui/qr/result/QrResultFragment.kt
diff --git a/app/src/main/java/ru/myitschool/work/ui/qr/result/QrResultViewModel.java b/app/src/main/java/ru/myitschool/work/ui/qr/result/QrResultViewModel.kt
similarity index 100%
rename from app/src/main/java/ru/myitschool/work/ui/qr/result/QrResultViewModel.java
rename to app/src/main/java/ru/myitschool/work/ui/qr/result/QrResultViewModel.kt