Java从控制台接收用户输入的一行英文句子，把句子的最前面两个单词移到句子的最后面去，并整理句子的大小写及标点符号，将新的句子输出

从控制台接收用户输入的一行英文句子，把句子的最前面两个单词移到句子的最后面去，并整理句子的大小写及标点符号，将新的句子输出。

input: The dog ran through the gate and down the street.   

output: Ran through the gate and down the street, the dog?

input: My coat was too heavy for this warm day!   

output: Was too heavy for this warm day, my coat?

import java.util.Locale;
import java.util.Scanner;
 
 
public class Change {
    public static void main(String[] args) {
        Scanner input=new Scanner(System.in);
        String Sentence=input.nextLine();
        String word[]=new String[Sentence.length()];
        int i,j=0;
        for(i=0;i<Sentence.length();i++){
            word[j]="";
            while(Sentence.charAt(i)!=' '&&Sentence.charAt(i)!='.'&&Sentence.charAt(i)!='!'){
                word[j]+=Sentence.charAt(i);
                i++;
            }
            j++;
        }
        String temp=word[2].substring(0,1).toUpperCase()+word[2].substring(1);
        word[2]=temp;
        temp=word[0].substring(0,1).toLowerCase()+word[0].substring(1);
        word[0]=temp;
 
        int k;
        for(k=2;k<j-1;k++){
            System.out.print(word[k]+" ");
        }
        System.out.print(word[k]+", "+word[0]+" "+word[1]+"?\n");
    }
}