import java.util.*;
public class Solution {
public String ReverseSentence(String str) {
String[] list=str.split(" ");
String result="";
for(int i=list.length-1;i>=0;i--){
if(i!=0){
result=result+list[i]+" ";
}else{
result=result+list[i];
}
}
return result;
}
}



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