CC150 Arrays and Strings 1.4 ~ 1.6 Replace Spaces, String Compression, Rotate Image
1.4题目如下:Writeamethodtoreplaceallspacesinastringwith‘%20’.解答如下:/**
*@authorfeliciafay
*@notereplacespacewithPercentageSymbol
*@tips1.manipulateastringfromtheend,extrabufferwillsave
*ustroublefromworryi