Community driven content discussing all aspects of software development from DevOps to design patterns. It’s much easier to format an int with printf than a float or double, because decimal precision ...

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

After updating Firebase BoM from 29.2.0 to 30.4.1 we started receiving a lot of crashes on Android 7, 8, and 9. Unfortunately, we can't reproduce this issue. Here is the crash log Caused by ...

Runtime errors occur when something goes wrong in the normal execution of a program. When severe enough, these errors abruptly terminate an application. To help programmers both anticipate and recover ...

An array in Java is a type of variable that can store multiple values. It stores these values based on a key that can be used to subsequently look up that information. Arrays can be useful for ...

Breakpoint condition 'test.get(0).get(0).equals("Work0")' error: Cannot evaluate because of compilation error(s): The method get(int) is undefined for the type Object ...

If you’ve read my Java 101 tutorial introducing static classes and inner classes, you should be familiar with the basics of working with nested classes in Java code. In this associated tip, I’ll walk ...