single vs new
有一連線資料庫的類DBLogin.java,為了方便其他部分呼叫它。把它寫成single模式，還是一般類。
呼叫方法分別為：
1。DBLogin db=new DBLogin();
2.DBLogin.getinstance().
哪種速度上更快。
呼叫方法分別為：
1。DBLogin db=new DBLogin();
2.DBLogin.getinstance().
哪種速度上更快。
相關文章
- 轉：malloc VS new, free VS deletedelete
- VMware vSphere:What's New V5.1培訓
- New start new hope!
- new self()與new static()
- new Child();new Child(1);
- Leetcode Single NumberLeetCode
- New
- 課程：A New History for a New China, 1700-2000: New Data and New Methods, Part 1
- JavaScript中的new map()和new set()使用詳細（new map()和new set()的區別）JavaScript
- 理解new和實現一個new
- Leetcode-Single NumberLeetCode
- Single Number leetcode javaLeetCodeJava
- FSMO(Flexible Single Master Operation)FlexAST
- new learn
- A New Start
- placement new
- new code
- the new start
- in place new
- PHP new self()和new static()的區別PHP
- Single-spa 原始碼淺析原始碼
- LeetCode136：Single NumberLeetCode
- RxJava的Single、Completable以及MaybeRxJava
- Leetcode- Single Number IILeetCode
- Single Number II leetcode javaLeetCodeJava
- Oracle ASM on Linux with single Hard DriveOracleASMLinux
- new static ,new self ,self::, $this的一些理解
- javascript 中function(){},new function(),new Function(),Function 摘錄JavaScriptFunction
- How to Add a New Disk new partition in centos7CentOS
- C++ new A 和 new A() 的區別詳解C++
- 手寫new
- new筆記筆記
- 【轉】placement new
- My new English
- Out With the Old and in With the New
- New in Mysql 5.5MySql
- new ActiveXObject(Object
- new_value