Java

How to initialize List of String or List in Java?

When to use primitive and when reference types in Java?

Design method signatures carefully – effective java

What are the differences between Java primitive types vs boxed primitives?

How to make dynamic variable names in Java?

How to set default value for items of List in Java?

Why prefer interfaces to abstract classes?

Design and document for inheritance else prohibit it

What is interface in Java? What are the differences between interface and class?

Obey the general contract when overriding equals in Java