题解 | #左旋转字符串#
左旋转字符串
http://www.nowcoder.com/practice/12d959b108cb42b1ab72cef4d36af5ec
public String LeftRotateString(String str,int n) {
if(str.length() == 0){
return "";
}
n = n % str.length();
return str.substring(n,str.length()) + str.substring(0,n);
}
}
