java - Don't suggest 'var' type for basic types like String, arrays, primitives and boxed primitives - Stack Overflow
Operators and variables
java - Can an interface hold any instance variables? - Stack Overflow
Java on Twitter: "Var with Style: Local Variable Type Inference in Java 10 by @stuartmarks #Java #JDK10 #Devoxx https://t.co/QlTnZbjsk8 https://t.co/mwvkCoaCtO" / Twitter
4. Methods Use Instance Variables: How Objects Behave - Head First Java, 2nd Edition [Book]
Simplify Local Variable Type Definition Using the Java 10 var Keyword | Red Hat Developer