山羊拉丁文

// Java solution using Streams for converting a sentence to Goat Latin
// 1. Split the sentence into a stream of words.
// 2. Use map to apply Goat Latin rules to each word based on its index.
// 3. Collect the transformed words and join them into a single string.
import java.util.Arrays;
import java.util.stream.Collectors;
public class Solution {
    public String toGoatLatin(String sentence) {
        String vowels = "aeiouAEIOU";
        return Arrays.stream(sentence.split(" "))
            .map((word, i) -> {
                StringBuilder sb = new StringBuilder();
                if (vowels.indexOf(word.charAt(0)) != -1) {
                    sb.append(word).append("ma");
                } else {
                    sb.append(word.substring(1)).append(word.charAt(0)).append("ma");
                }
                // Add 'a's according to the index (1-indexed)
                for (int j = 0; j <= i; j++) {
                    sb.append("a");
                }
                return sb.toString();
            })
            .collect(Collectors.joining(" "));
    }
}