解：public void reverseString(char[] s) {int n=s.length;for(int i=0,j=n-1;i<j;i++,j—){char temp=s[i];s[i]=s[j];s[j]=temp;}}题目描述：示例：解题思路：双指针 解： public void reverseString(char[] s) { int n=s.length; for(int i=0,j=n-1;i<j;i++,j—){ char temp=s[i]; s[i]=s[j]; s[j]=temp; } }
