effective_java_third_edition

Chapter: Creating and Destroying Objects

[1] Consider static factory methods instead of constructors

[2] Consider a builder when faced with many constructor parameters

[3] Enforce the singleton property with a private constructor or an enum type

[4] Enforce non-instantiability with a private constructor

[5] Prefer dependency injection to hardwiring resources

[6] Avoid creating unnecessary objects

[7] Eliminate obsolete object references

[8] Avoid finalizers and cleaners

[9] Prefer try-with-resources to try-finally

Chapter: Methods Common to All Objects

[1] Obey the general contract when overriding equals

[2] Always override hashCode when you override equals

[3] Always override toString

[4] Override clone judiciuosly