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package String;
import java.util.Scanner;
public class ExchangeAlter {
public static String[] split(String s) {
int c = 0;
for (int i = 0; i < s.length(); i++) {
if (s.charAt(i) == ' ') {
c += 1;
}
}
String[] st = new String[c + 1];
String t = "";
int j = 0;
for (int i = 0; i < s.length(); i++) {
if (s.charAt(i) != ' ') {
t += s.charAt(i);
} else {
st[j++] = t;
t = "";
}
}
st[j] = t;
return st;
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter the String: ");
String s = sc.nextLine();
sc.close();
String[] str = split(s);
String temp = "";
temp = str[0];
str[0] = str[str.length - 1];
str[str.length - 1] = temp;
for (String s1 : str) {
System.out.print(s1 + " ");
}
}
}