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One could easily handle every conditional failure the same way: if (!condition) throw new RuntimeException();. But if you spend a moment to consider the nature of the check you're performing and handle it in the most appropriate way, you'll make your code more understandable, and errors easier to diagnose. Here are the major kinds of runtime checks. A precondition check ensures that the caller of
Generated immutable value classes for Java 8+ Kevin Bourrillion, Éamonn McManus Google, Inc. Value classes are extremely common in Java projects. These are classes for which you want to treat any two instances with suitably equal field values as interchangeable. That's right: we're talking about those classes where you wind up implementing equals, hashCode and toString in a bloated, repetitive, fo
Put simply, Guice alleviates the need for factories and the use of new in your Java code. Think of Guice's @Inject as the new new. You will still need to write factories in some cases, but your code will not depend directly on them. Your code will be easier to change, unit test and reuse in other contexts. Guice embraces Java's type safe nature. You might think of Guice as filling in missing featu
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