倒序可以直接用StringBufferString str = "ssssdddffadf"
;StringBuffer reverseStr = new StringBuffer(str).reverse()
;System.out.println("reverseStr:"+reverseStr);这样就可以了啊
倒序可以直接用StringBufferString str = "ssssdddffadf"
;StringBuffer reverseStr = new StringBuffer(str).reverse()
;System.out.println("reverseStr:"+reverseStr);这样就可以了啊
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