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Commit 167c954

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‎Java相关/可能是把Java内存区域讲的最清楚的一篇文章.md‎

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@@ -223,7 +223,7 @@ JDK1.4中新加入的 **NIO(New Input/Output) 类**,引入了一种基于**通
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![](https://user-gold-cdn.xitu.io/2018/8/22/16561e59a4d13f92?w=593&h=603&f=png&s=22265)
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尽量避免多个字符串拼接,因为这样会重新创建对象。如果需要改变字符串的花,可以使用 StringBuilder 或者 StringBuffer。
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尽量避免多个字符串拼接,因为这样会重新创建对象。如果需要改变字符串的话,可以使用 StringBuilder 或者 StringBuffer。
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### String s1 = new String("abc");这句话创建了几个对象?
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**创建了两个对象。**

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AltStyle によって変換されたページ (->オリジナル) /