SpringMVC learning code 2

This is my learning note about SpringMVC with Code Examples .

SpringMVC learning code 3

This is my learning note about SpringMVC with Code Examples .

SpringMVC learning code 4

This is my learning note about SpringMVC with Code Examples .

SpringMVC learning code 5

This is my learning note about SpringMVC with Code Examples .

The Figure Shortcode

MD ηš„η¬¬δΊŒη―‡οΌŒεΏ«ι€Ÿζ’ε…₯ε›Ύη‰‡ε’Œι“ΎζŽ₯η―‡

input size vs time complexity

Complexity Analysis input size 1 η§’δΈ­ε†… cup 可δ»₯做 10^6 ~ 10^7 ηš„ζ“δ½œ

interface

all fields in Interfaces is public static final type, cannot assign a value to final variable

about Binary Tree

learning binary tree

about Linked List

CRUD and linked list algorithm in real life

java volatile 可见葌(Visibility)οΌŒεŽŸε­ζ€§(Atomicity)οΌŒζœ‰εΊζ€§(Ordering)

prove java volatile visibility Volatile 1.1 assume int number = 0; add volatile keyword before changing value of number