Regarding Flutter, I am familiar with Google's mobile app development framework, which means I am able to create attractive and responsive user interfaces for Android and iOS devices using the Dart language. Additionally, I have knowledge of code organization in widgets, which are the basic building blocks of the user interface in Flutter.

With regards to PHP, I understand the syntax and structure of this popular back-end programming language for web development. I know how to create PHP scripts for data manipulation in a database, user session management, authentication, and other typical web app functionalities.

Finally, in regards to Java, I have knowledge of the most widely used object-oriented programming language in the world. This means that I understand the syntax, object-oriented concepts, and know how to create classes, methods, and objects in Java.