Primitive Types

8 primitive types in Java: byte, short, int, long, float, double, boolean, char Everything else, including arrays, is a reference type.

The Golden Rule of Equals (GRoE)

Given variables y and x:

• y = x copies all the bits from x into y.

Reference Types

Everything else, including arrays, is a reference type. 和cpp的区别之一不显式使用指针

Parameter Passing

• pass by value 😋
• pass by reference（某种意义上java纯纯pass by value 😏）

Instantiation of Arrays

IntList and Linked Data Structures

单链表，不赘述