Java中的异常机制
一、异常1、类继承结构在 Java 中，所有的异常都有一个共同的祖先 Throwable（可抛出）。Throwable 指定代码中可用异常传播机制通过 Java 应用程序传输的任何问题的共性。
从图中可以看出，Throwable有两个子类，Error(错误)和Exception(异常)。二者都是
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Java中的Object类与深浅克隆
在Java中，Object类是所有类的父类，任何类都默认继承Object。
一、Object的中的公有方法1.8中的源码
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464. Can I Win
In the “100 game,” two players take turns adding, to a running total, any integer from 1..10. The player who first causes the running total to reach
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Best Time to Buy and Sell Stock I II III IV
1、Best Time to Buy and Sell Stock I
Description: Say you have an array for which the ith element is the price of a given stock on day i. If you were o
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375. Guess Number Higher or Lower II
We are playing the Guess Game. The game is as follows:
I pick a number from 1 to n. You have to guess which number I picked.
Every time you guess wro
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Java NIO与反应器模式
Java NIO是1.4中出现的重要更新，其中几个重要概念简单理解以下，并且学习其中用到的Reactor模式，即反应器模式。
一、缓冲区 Buffer缓冲区是NIO中最重要的一个概念，最上面的是Buffer接口，下面有：
CharBuffer
IntBuffer
DoubleBuffer
Shor
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