What Basic Understanding of Java is Required for Android Programming?

With billions of devices running on it worldwide, Android is among the most popular mobile operating systems. You'll need to have a firm grasp of the Java programming language if you're interested in creating mobile apps for Android. We'll examine the fundamental Java ideas required for Android programming in this article.

Understanding the Java Language

  • Android apps are created using Java, a high-level programming language, which is used to create a variety of applications.

  • Being an object-oriented language, it groups data into objects with attributes like properties and methods. Java is also platform-independent, thus programmes written in it can execute on any system that supports the Java Virtual Machine (JVM).

Object-Oriented Programming in Java

The paradigm of programming known as "object-oriented programming" is built around the idea of objects. Even basic data types like integers and floating-point numbers are considered objects in Java. With object-oriented programming, programmers may create modular, extendable code that is simple to maintain.

Data Types and Variables in Java

  • Java supports a wide range of data types, including characters, Booleans, floating-point numbers, integers, and more. In Java, variables are used to hold data, and they must first be defined in order to be used.

  • Because Java is a tightly typed language, a variable's data type must be specified explicitly.

Control Structures in Java

  • Java employs control structures to regulate the flow of its code.

  • If statements, loops, and switch statements are the three primary categories of control structures in Java.

  • While loops are used to continually execute code while a certain condition is true, if statements are used to execute code if a specific condition is true.

  • Switch statements are used to run code depending on a variable's value.

Arrays and Strings in Java

  • In Java, collections of data are stored as arrays.

  • They can be used to hold a set of floating-point values, integers, or any other kind of data.

  • Strings are an essential component of many Java programmes because they are used to hold sequences of characters.

Classes and Objects in Java

  • Classes are used to define objects in Java.

  • They serve as templates for objects, defining their attributes and operations.

  • In Java programming, objects—which are instances of classes—are used to represent actual physical objects.

Inheritance and Polymorphism in Java

  • Java has a feature called inheritance that lets one class take properties and functions from another class.

  • The capacity of an object to assume various forms is known as polymorphism.

  • The Java programming language uses method overloading and method overriding to implement polymorphism.

Exception Handling in Javaclass

  • Java has a method called exception handling that is used to deal with mistakes that happen while a programme is running.

  • Whenever an error occurs, an object called an exception is thrown; this object can be collected and managed by the programme.

Basic Android Programming Concepts

  • You'll need to learn a few Android-specific ideas in addition to the fundamental Java concepts if you want to create Android apps.

  • Activities, intentions, plans, and resources fall under this category.

  • An Android app's building pieces are called activities, and each activity corresponds to a single screen.

  • Although layouts establish an activity's user interface, intentents are utilised to communicate amongst activities. The app's data, including text and graphics, are stored in resources.


In conclusion, mastery of the Java programming language is essential for creating Android apps. The fundamental Java ideas required for Android programming, such as object-oriented programming, data types and variables, control structures, arrays and strings, classes and objects, inheritance and polymorphism, and exception handling, have been covered in this article. We have also discussed some of the key Android-specific terms you should be familiar with, such as activities, intents, layouts, and resources. You'll be well on your way to creating your own Android apps if you can master these ideas. It's crucial to remember that this post is just the beginning. Beyond the fundamentals of Java, there is a great amount of information to learn about Android programming.

You must keep learning and experimenting with new ideas if you're serious about creating Android applications. Work on your own projects as a terrific approach to learn more about Android development. You may get started using a variety of internet resources, such as manuals, forums, and tutorials. To improve your knowledge, you might also want to think about enrolling in an online course or going to a nearby coding bootcamp.

Updated on: 06-Apr-2023


Kickstart Your Career

Get certified by completing the course

Get Started