45 翻转单词顺序列 student. a am I----->>> I am a student. public class Solution { public String ReverseSentence(String str) { return f1(str.toCharArray()); } public static String f1(char[] chas) { int l=0; int r=chas.length-1; reverse(chas,l,r); int p1=-1; int p2=-1; for(int i=0;i<chas.length;i...