1》String.valueOf(i)2》 Integer.toString(i)3》 i+ valueOf()和toString()方法可以明白,但为什么3中加上一个 引号也可以?谁有资料可以看到?按理来说你应该更明白的是第三中啊,

代理价150\/双 35-44 Converse First String 197
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When i stroke the string~Original Wallpapers 动
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瑞典品牌Stringfurniture家具欣赏
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川久保玲CDG Play x Converse First String 197
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改头换面 Converse First String 发布全新鞋款 C
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\/Converse First String\/ Converse First String P
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\/CLOT新鞋\/ CLOT x Converse First String 201
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\/CLOT新鞋\/ CLOT x Converse First String 201
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string of bomb attacks kill 97 in baghdad_engli
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![![CDATA[Going beyond puppets on a string]]](http://www.chinadaily.com.cn/culture/art/img/attachement/jpg/site1/20160215/b083fe955ec0182b874f09.jpg)
![CDATA[Going beyond puppets on a string]]
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string品牌形象设计-VI\/CI-平面 by Caffeine - 原
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Converse First String 1970's之美_时尚频道_东
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String Beauty 防晒霜平面广告
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代理价150\/双 35-44 Converse First String 197
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concerto rv 265 for guitar and string orchestra i
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