r/javahelp

Effective Java

Clean Code

Head First Java

Java Concurrency in Practice

Head First Design Patterns

Building Java programs

Growing Object-Oriented Software, Guided by Tests

Code Complete

Java

Java

Agile Principles, Patterns, and Practices in C#

Thinking in Java

Intro to Java Programming, Comprehensive Version

Domain-Driven Design

Killer Game Programming in Java

Cracking the Coding Interview