冒泡排序换了一个写法

换了一个写法,这样能更的形象的描述"冒泡".
Revert "冒泡排序换了一个写法"

This reverts commit abb2728e88ad3f784e82cf6a966567e22dd9afb0.
Revert "Revert "冒泡排序换了一个写法""

This reverts commit 6227058cecb34f9d73962afa3c1a2c491ba7529f.
Revert "冒泡排序换了一个写法"

This reverts commit abb2728e88ad3f784e82cf6a966567e22dd9afb0.
Revert "Revert "冒泡排序换了一个写法""

This reverts commit 85e9f9c068fefaafe9c8f0142719b7ee1ff77d33.
Merge pull request #1 from cnwhy/master

非常酷，是否可以考虑把"var z" 变量z的申明放在外面去。 已合并