Effective Java
summary
A concise walk through Effective Java 3rd edition that extracts concrete, actionable rules: it highlights three favorite items and shows how to make a mutable POJO into an immutable class by using private final fields and no setters, when to prefer static factory methods over public constructors, and how to convert anonymous classes to lambdas for clearer callbacks. Examples reference modern Java features (mentions Java 19) and tally about 42 small refactorings and micro-practices that change readability and runtime behavior.
AI-written summary · about
