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輸入三個字串,按由小到大的順序輸出

import java.util.Arrays;
import java.util.Scanner;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
String[] str =new String[3];
str[0] = sc.next();
str[1] = sc.next();
str[2] = sc.next();
Arrays.sort(str);  //陣列排序
for(int i = 0; i < str.length; i++){
System.out.println(str[i]);
}
}
}