倒置英文句子中单词的字母顺序

import java.util.Scanner;
import java.util.StringTokenizer;


public class RerveseEnglish {

	public static void main(String[] args) {
		// Todo Auto-generated method stub
		Scanner scan = new Scanner(system.in);
		String  str = scan.nextLine();
		int count = 0;
		StringBuffer sb = new StringBuffer();
		for (int i = 0; i < str.length(); i++) {
			if(!Character.isLetter(str.charat(i)) && !Character.isspace(str.charat(i))){
				sb.append(str.charat(i));
				count++;
			}
		}
		String bStr = sb.toString();
		int top = 0;
		String[][] strArr = new String[count][];
		StringTokenizer st = new StringTokenizer(str,",.!?");
		while(st.hasMoreElements()){
			strArr[top++] = st.nextToken().split(" ");
		}
		for (int i = 0; i < strArr.length; i++) {
			reverse(strArr[i]);
			print(bStr.charat(i));
		}
	}

	private static void print(Object o) {
		System.out.print(o);		
	}

	private static void reverse(String[] strArr) {
		for (int i = 0; i < strArr.length; i++) {
			reverseStr(strArr[i]);
			if(i!=strArr.length-1)
				System.out.print(" ");
		}
		
	}

	private static void reverseStr(String str) {
		StringBuffer sb = new StringBuffer(str);
		String s = sb.reverse().toString();
		System.out.print(s);
		
		
	}

}