摘要:
饿汉式: class Single { // 提前做好! private static final Single s = new Single(); // 私有化 构造函数 无法使用new 创建对象! private Single(){} // 对外提供接口 public static Single 阅读全文
摘要:
A flow diagram of the AMP link establishment and detachment of a connection between two devices is shown in Figure 4.47. 1 Physical Link Establishment 阅读全文
摘要:
 Learn from Architects of Buildings Keith Braithwaite Architecture is a social act and the material theater of human activity. —Spiro Kostof HoW MAny 阅读全文