백준 9093번 단어 뒤집기 [ Java ]

9093번: 단어 뒤집기

import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuilder sb = new StringBuilder();
        int t = Integer.parseInt(br.readLine());
        while(t-->0){
            String[] in = br.readLine().split(" ");
            Arrays.stream(in).map(item->(new StringBuffer(item)).reverse().toString()+" ").forEach(item->sb.append(item));
            sb.append("\n");
        }
        System.out.println(sb);
    }
}